Through learning western culture in Japan, Lu Xun's attitude towards Japan is as follows: emotionally, he thinks Japan's significance is probably like in Beijing, Shanghai and other places he lived. In the face of sino-japanese relations, on one hand, he maintains national independence, and opposes aggression. On the other hand; he is devoted to national exchanges, enhances mutual understanding between nations. Therefore, in dealing with the relationship to Japan, he takes a rationa attitude, treats separately political and ethnic Japanese.