diff --git a/python/sglang/srt/mem_cache/memory_pool_host.py b/python/sglang/srt/mem_cache/memory_pool_host.py
index 3132d9844..f45c1d616 100644
--- a/python/sglang/srt/mem_cache/memory_pool_host.py
+++ b/python/sglang/srt/mem_cache/memory_pool_host.py
@@ -147,6 +147,7 @@ ALLOC_MEMORY_FUNCS = defaultdict(
     lambda: alloc_with_host_register,
     {
         "npu": alloc_with_pin_memory,
+        "musa": alloc_with_pin_memory,
     },
 )