diff --git a/fastdeploy/engine/common_engine.py b/fastdeploy/engine/common_engine.py
index 72ca1f7c820..cf538c0177a 100644
--- a/fastdeploy/engine/common_engine.py
+++ b/fastdeploy/engine/common_engine.py
@@ -981,6 +981,8 @@ def _fetch_request():
                                 LoggingEventName.ASK_DECODE_RESOURCE_START, task.request_id, getattr(task, "user", "")
                             )
                             task.metrics.ask_decode_resource_start_time = time.time()
+                            if envs.FD_PD_LOG_REQUEST:
+                                self.llm_logger.info(f"[PD_LOG] P sends Request: {task.to_dict()}")
                             while True:
                                 self.split_connector.send_splitwise_tasks([task], task.idx)
                                 status, msg = self.split_connector.check_decode_allocated(task)
@@ -1011,6 +1013,8 @@ def _fetch_request():
                                 LoggingEventName.ASK_DECODE_RESOURCE_START, task.request_id, getattr(task, "user", "")
                             )
                             task.metrics.ask_decode_resource_start_time = time.time()
+                            if envs.FD_PD_LOG_REQUEST:
+                                self.llm_logger.info(f"[PD_LOG] P sends Request: {task.to_dict()}")
                             self.split_connector.send_splitwise_tasks([task], task.idx)
 
                         for task in tasks:
@@ -2095,6 +2099,8 @@ def _fetch_requests():
                         f"D has received tasks to preallocate resource for tasks: {[task.request_id for task in tasks]}"
                     )
                     for task in tasks:
+                        if envs.FD_PD_LOG_REQUEST:
+                            self.llm_logger.info(f"[PD_LOG] D received Request: {task.to_dict()}")
                         task.metrics.decode_recv_req_time = time.time()
                     allocate_resource_requests.extend(tasks)
                 elif isinstance(tasks[0], RequestOutput):
diff --git a/fastdeploy/envs.py b/fastdeploy/envs.py
index 83859610dae..2067d84b006 100644
--- a/fastdeploy/envs.py
+++ b/fastdeploy/envs.py
@@ -269,6 +269,8 @@ def _validate_split_kv_size(value: int) -> int:
     "FD_DETERMINISTIC_LOG_MODE": lambda: bool(int(os.getenv("FD_DETERMINISTIC_LOG_MODE", "0"))),
     # Whether to use PD REORDER, can set 0 or 1
     "FD_PD_REORDER": lambda: int(os.getenv("FD_PD_REORDER", "0")),
+    # Whether to enable PD disaggregation request logging on decode side
+    "FD_PD_LOG_REQUEST": lambda: int(os.getenv("FD_PD_LOG_REQUEST", "0")),
     # Whether to probe MoE routing probabilities and use Fleet's fused SwiGLU kernel.
     "FD_MOE_PROB_IN_ADVANCE": lambda: bool(int(os.getenv("FD_MOE_PROB_IN_ADVANCE", "0"))),
     # Whether to use batch send data in zmq