January 7, 1932 (30 Xinwei winter months), the United States does not recognize the doctrine introduced.

Stimson doctrine, known as "policy of non-recognition, the specific performance of the U.S. policy of neutrality. The early 1930s, suffered a deep economic crisis hit the United States, failed relationships in order to avoid diplomatic activities in competition for the international market, decided to implement a neutral policy of isolationism marked.
1931, Japan launched the "September 18 Incident", the invasion and occupation of China's northeast. The United States not only did not condemn this act of aggression, but conspired with the Japanese understanding.
1932, Japan occupied Jinzhou, pressed on Chinese Kannai. 7, the U.S. Secretary of State Henry L. Stimson note to the Chinese and the Japanese government, the situation of the Japanese occupation of China's northeast and enough to harm the interests of U.S. companies in China, in violation of the "open door" and the day of any agreement, treaty, the United States non-recognition. But the next day, L $ dj��.c��m] U.S. Department of State also said that the United States has no intention to interfere in the Japanese in Manchuria legal treaty rights.
namely Stimson doctrine, and its essence is an attempt to safeguard the interests of U.S. companies in China at the expense of the Northeast China. It is thereafter for a period of time the basic principle of U.S. policy toward China. (Lssdjt.com)