Women often hit the back is better, there are two main benefits: First, often after knocking the back will increase blood circulation in the back, to promote the metabolism of local inflammatory metabolites formed due to strain or cold, to reduce local soreness, swelling and pain. By knocking after can effectively promote the local adhesions become loose, to avoid causing muscle tissue and soft tissue adhesions. Second, the back is the body’s Governor’s vein travel range, through the knocking can make the meridians become more smooth, to play the role of Shu meridians and channels. In the process of tapping must be careful to avoid tapping to the ribs and scapula gland and other muscle attachment position, otherwise it will be frequently stimulated, resulting in the attachment point inflammatory state, will be in the formation of local inflammatory buildup, resulting in other pain symptoms.