Insisting on patting the armpit lymph nodes has the effect of improving blood circulation, stimulating lymph and improving breast problems. 1. Improve blood circulation: the armpits have a large number of veins, arteries and lymph nodes, and regular patting of the armpits can improve the blood supply, thus improving blood circulation. 2. Stimulate lymph: armpits have more lymphatic tissue, and then insist on patting the armpit lymph nodes can play a role in stimulating the lymph nodes, which has the effect of relieving shoulder and arm pain. 3. Accelerate the skin’s metabolism: adhering to pat the armpit lymph nodes can promote local blood circulation, thereby accelerating the skin’s metabolism, which can play a role in preventing the accumulation of local fat, thereby preventing the occurrence of lipoma and fatty liver. Note that when patting the force should not be too large, the time should not be too long, if discomfort occurs, timely to the hospital for examination.