diff --git a/mmengine/runner/log_processor.py b/mmengine/runner/log_processor.py
index 41fc3bc546..874a1ec127 100644
--- a/mmengine/runner/log_processor.py
+++ b/mmengine/runner/log_processor.py
@@ -197,7 +197,9 @@ def get_log_after_iter(self, runner, batch_idx: int,
 
         # If cuda is available, the max memory occupied should be calculated.
         if is_cuda_available():
-            log_str += f'memory: {self._get_max_memory(runner)}  '
+            max_memory = self._get_max_memory(runner)
+            log_str += f'memory: {max_memory}  '
+            tag['memory'] = max_memory
         # Loop left keys to fill `log_str`.
         if mode in ('train', 'val'):
             log_items = []