diff --git a/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/ByteBufferContext.java b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/ByteBufferContext.java
new file mode 100644
index 000000000..f919e3fd1
--- /dev/null
+++ b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/ByteBufferContext.java
@@ -0,0 +1,29 @@
+package com.a.eye.skywalking.toolkit.opentracing;
+
+import io.opentracing.SpanContext;
+
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by wusheng on 2016/12/21.
+ */
+public class ByteBufferContext implements SpanContext {
+    static final Charset CHARSET = Charset.forName("UTF-8");
+
+    static final byte NO_ENTRY = 0;
+    static final byte ENTRY = 1;
+
+    private final ByteBuffer byteBuffer;
+
+    ByteBufferContext(ByteBuffer byteBuffer) {
+        this.byteBuffer = byteBuffer;
+    }
+
+    @Override
+    public Iterable<Map.Entry<String, String>> baggageItems() {
+        return new HashMap<String, String>().entrySet();
+    }
+}
diff --git a/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingTracer.java b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingTracer.java
index 4f91b3a1d..eb3f851be 100644
--- a/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingTracer.java
+++ b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingTracer.java
@@ -3,15 +3,20 @@ package com.a.eye.skywalking.toolkit.opentracing;
 import io.opentracing.SpanContext;
 import io.opentracing.Tracer;
 import io.opentracing.propagation.Format;
+import io.opentracing.propagation.TextMap;
+
+import java.nio.ByteBuffer;
 
 /**
  * All source code in SkyWalkingTracer acts like an NoopTracer.
  * Actually, it is NOT.
  * The whole logic will be added after toolkit-activation.
- *
+ * <p>
  * Created by wusheng on 2016/12/20.
  */
-public class SkyWalkingTracer implements Tracer{
+public class SkyWalkingTracer implements Tracer {
+    private static String TRACE_HEAD_NAME = "SkyWalking-TRACING-NAME";
+
     public static Tracer INSTANCE = new SkyWalkingTracer();
 
     @Override
@@ -20,12 +25,62 @@ public class SkyWalkingTracer implements Tracer{
     }
 
     @Override
-    public <C> void inject(SpanContext spanContext, Format<C> format, C c) {
-
+    public <C> void inject(SpanContext spanContext, Format<C> format, C carrier) {
+        if (Format.Builtin.TEXT_MAP.equals(format) || Format.Builtin.HTTP_HEADERS.equals(format)) {
+            ((TextMap) carrier).put(TRACE_HEAD_NAME, formatCrossProcessPropagationContextData());
+        } else if (Format.Builtin.BINARY.equals(format)) {
+            byte[] key = TRACE_HEAD_NAME.getBytes(ByteBufferContext.CHARSET);
+            byte[] value = formatCrossProcessPropagationContextData().getBytes(ByteBufferContext.CHARSET);
+            ((ByteBuffer) carrier).put(ByteBufferContext.ENTRY);
+            ((ByteBuffer) carrier).putInt(key.length);
+            ((ByteBuffer) carrier).putInt(value.length);
+            ((ByteBuffer) carrier).put(key);
+            ((ByteBuffer) carrier).put(value);
+        } else {
+            throw new IllegalArgumentException("Unsupported format: " + format);
+        }
     }
 
     @Override
-    public <C> SpanContext extract(Format<C> format, C c) {
-        return null;
+    public <C> SpanContext extract(Format<C> format, C carrier) {
+        if (Format.Builtin.TEXT_MAP.equals(format) || Format.Builtin.HTTP_HEADERS.equals(format)) {
+            TextMap textMapCarrier = (TextMap) carrier;
+            extractCrossProcessPropagationContextData(textMapCarrier);
+            return new TextMapContext(textMapCarrier);
+        } else if (Format.Builtin.BINARY.equals(format)) {
+            ByteBuffer byteBufferCarrier = (ByteBuffer)carrier;
+            extractCrossProcessPropagationContextData(byteBufferCarrier);
+            return new ByteBufferContext((ByteBuffer)carrier);
+        } else {
+            throw new IllegalArgumentException("Unsupported format: " + format);
+        }
+    }
+
+
+    /**
+     * set context data in toolkit-opentracing-activation
+     *
+     * @return
+     */
+    private String formatCrossProcessPropagationContextData() {
+        return "";
+    }
+
+    /**
+     * read context data in toolkit-opentracing-activation
+     *
+     * @param textMapCarrier
+     */
+    private void extractCrossProcessPropagationContextData(TextMap textMapCarrier) {
+
+    }
+
+    /**
+     * read context data in toolkit-opentracing-activation
+     *
+     * @param byteBufferCarrier
+     */
+    private void extractCrossProcessPropagationContextData(ByteBuffer byteBufferCarrier) {
+
     }
 }
diff --git a/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/TextMapContext.java b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/TextMapContext.java
new file mode 100644
index 000000000..66d1f443b
--- /dev/null
+++ b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/main/java/com/a/eye/skywalking/toolkit/opentracing/TextMapContext.java
@@ -0,0 +1,23 @@
+package com.a.eye.skywalking.toolkit.opentracing;
+
+import io.opentracing.SpanContext;
+import io.opentracing.propagation.TextMap;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by wusheng on 2016/12/21.
+ */
+public class TextMapContext  implements SpanContext {
+    private final TextMap textMap;
+
+    TextMapContext(TextMap textMap) {
+        this.textMap = textMap;
+    }
+
+    @Override
+    public Iterable<Map.Entry<String, String>> baggageItems() {
+        return new HashMap<String, String>().entrySet();
+    }
+}
diff --git a/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/test/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingTracerTest.java b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/test/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingTracerTest.java
new file mode 100644
index 000000000..159e905aa
--- /dev/null
+++ b/skywalking-application-toolkit/skywalking-toolkit-opentracing/src/test/java/com/a/eye/skywalking/toolkit/opentracing/SkyWalkingTracerTest.java
@@ -0,0 +1,39 @@
+package com.a.eye.skywalking.toolkit.opentracing;
+
+import io.opentracing.Span;
+import io.opentracing.SpanContext;
+import io.opentracing.Tracer;
+import io.opentracing.propagation.TextMap;
+import org.junit.Test;
+
+import java.util.Iterator;
+import java.util.Map;
+
+/**
+ * Created by wusheng on 2016/12/21.
+ */
+public class SkyWalkingTracerTest {
+    @Test
+    public void testBuildSpan(){
+        Tracer tracer = SkyWalkingTracer.INSTANCE;
+        Tracer.SpanBuilder spanBuilder = tracer.buildSpan("/http/serviceName");
+
+        SpanContext context = new TextMapContext(new TextMap() {
+
+            @Override
+            public Iterator<Map.Entry<String, String>> iterator() {
+                throw new UnsupportedOperationException(
+                        "TextMapInjectAdapter should only be used with Tracer.inject()");
+            }
+
+            @Override
+            public void put(String key, String value) {
+
+            }
+        });
+        spanBuilder.asChildOf(context).withTag("example.tag", "testtag");
+        Span span = spanBuilder.start();
+
+        span.finish();
+    }
+}