diff --git a/Dockerfile b/Dockerfile
index 992b1588726..c49240663a2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,6 +38,8 @@ ARG VLLM_REPO=https://github.com/vllm-project/vllm.git
 ARG VLLM_TAG=v0.7.3
 RUN git clone --depth 1 $VLLM_REPO --branch $VLLM_TAG /workspace/vllm
 RUN VLLM_TARGET_DEVICE="empty" python3 -m pip install /workspace/vllm/
+# In x86, triton will be installed by vllm. But in Ascend, triton doesn't work correctly. we need to uninstall it.
+RUN python3 -m pip uninstall -y triton
 
 # Install vllm-ascend
 RUN python3 -m pip install /workspace/vllm-ascend/ --extra-index https://download.pytorch.org/whl/cpu/