To study the influence on monoamine neurotransmitter in climacteric rats treated by Chinese decocˉtion Gengnianle with the effect of tonifying the kidney,smooth the liver and regulating and tonifying the Chong and Ren Channels.

The author deals with the physiological relationship between the breast and the Chong and Ren Meridians and the internal organs based on the theories of traditional Chinese medicine and believes that the incoordination between the Chong and Ren Meridians is the pathogenesis for hyperplasia of mammary glands.