Fuchsia is a hard mass at the cervicothoracic junction in the upper part of the back, whose soreness is related to prolonged bad posture and compression of cervical spine nerves. 1. Prolonged bad posture: If one’s posture is incorrect for a long time, such as hunching over the chest, walking with the head down, playing with the cell phone, etc., it will easily lead to excessive protrusion of the cervical spine and thoracic spine, and cause tension and spasm of the shoulder and neck muscles, which will lead to head and neck pain and soreness. 2. Compression of the cervical spine nerve: generally myofascial hyperplasia or calcification of the neck ligament will cause fulminant buns, and at the same time, with age, the fulminant buns will slowly become bigger, may compress the cervical spine nerve, soreness. It can be seen, usually to avoid long time bad posture, avoid long-term low head, do not stoop and hunch back, to avoid the occurrence of the rich bag.