Till to the end of August, Japan domestic situation began to return to normal. The breakup of auto components industry impacts greatly on global supply chain. The upstream part in production chain was influenced quickly and the downstream is slow and small. United States is in automobile's upstream position, while China is located in downstream. In response to the crisis induced Sino-Japanese economic strength, humanitarian assistance and psychological factors, the crisis appeared to greatly strengthen the U.S.-Japan Alliance. The crisis also showed Japan's strong soft power, which does not conflict with China's peaceful rise. Both of China and Japan have common interests in response to sudden natural disasters. <<