diff --git a/deepmd/main.py b/deepmd/main.py
index 43059a41c6..e6f4de6359 100644
--- a/deepmd/main.py
+++ b/deepmd/main.py
@@ -756,6 +756,22 @@ def main_parser() -> argparse.ArgumentParser:
     )
     parser_convert_backend.add_argument("INPUT", help="The input model file.")
     parser_convert_backend.add_argument("OUTPUT", help="The output model file.")
+
+    # check available model branches
+    parser_list_model_branch = subparsers.add_parser(
+        "list-model-branch",
+        parents=[parser_log],
+        help="Check the available model branches in multi-task pre-trained model",
+        formatter_class=RawTextArgumentDefaultsHelpFormatter,
+        epilog=textwrap.dedent(
+            """\
+        examples:
+            dp --pt list-model-branch model.pt
+        """
+        ),
+    )
+    parser_list_model_branch.add_argument("INPUT", help="The input multi-task pre-trained model file")
+
     return parser
 
 
@@ -813,6 +829,7 @@ def main():
         "compress",
         "convert-from",
         "train-nvnmd",
+        "list-model-branch"
     ):
         deepmd_main = BACKENDS[args.backend]().entry_point_hook
     elif args.command is None:
diff --git a/deepmd/pt/entrypoints/main.py b/deepmd/pt/entrypoints/main.py
index faa606e986..b47f07f847 100644
--- a/deepmd/pt/entrypoints/main.py
+++ b/deepmd/pt/entrypoints/main.py
@@ -74,6 +74,7 @@
 from deepmd.utils.summary import SummaryPrinter as BaseSummaryPrinter
 
 log = logging.getLogger(__name__)
+from IPython import embed
 
 
 def get_trainer(
@@ -336,6 +337,16 @@ def main(args: Optional[Union[List[str], argparse.Namespace]] = None):
             FLAGS.model = FLAGS.checkpoint_folder
         FLAGS.output = str(Path(FLAGS.output).with_suffix(".pth"))
         freeze(FLAGS)
+    elif FLAGS.command == "list-model-branch":
+        state_dict = torch.load(FLAGS.INPUT, map_location=env.DEVICE)
+        if "model" in state_dict:
+            state_dict = state_dict["model"]
+        model_params = state_dict["_extra_state"]["model_params"]
+        finetune_from_multi_task = "model_dict" in model_params
+        #  Pretrained model must be multitask mode
+        assert finetune_from_multi_task, "When using --list-model-branch, the pretrained model must be multitask model"
+        model_branch = list(model_params["model_dict"].keys())
+        log.info(f"Available model branches are {model_branch}")        
     else:
         raise RuntimeError(f"Invalid command {FLAGS.command}!")
 
diff --git a/deepmd/pt/train/training.py b/deepmd/pt/train/training.py
index 4056b30d87..2ba7789821 100644
--- a/deepmd/pt/train/training.py
+++ b/deepmd/pt/train/training.py
@@ -83,6 +83,7 @@
 )
 
 log = logging.getLogger(__name__)
+from IPython import embed
 
 
 class Trainer:
@@ -518,6 +519,7 @@ def update_single_finetune_params(
                             for i in _random_state_dict.keys()
                             if i != "_extra_state" and f".{_model_key}." in i
                         ]
+                        embed()
                         for item_key in target_keys:
                             if _new_fitting and ".fitting_net." in item_key:
                                 # print(f'Keep {item_key} in old model!')
diff --git a/deepmd/pt/utils/finetune.py b/deepmd/pt/utils/finetune.py
index 2de4214070..b8f089ca6a 100644
--- a/deepmd/pt/utils/finetune.py
+++ b/deepmd/pt/utils/finetune.py
@@ -5,6 +5,7 @@
 )
 
 import torch
+from IPython import embed
 
 from deepmd.pt.utils import (
     env,