The tiger’s mouth is an acupuncture point in Chinese medicine called hegu point, the tiger’s mouth pressed up painful situation description: first, if it is pressed hard will appear soreness, swelling, pain, is a normal performance. Second, if the local pain is accompanied by swelling of the greater interphalangeal muscle or the first metacarpal phalangeal joint, skin flushing, increased skin temperature and other manifestations, it may be a local arthritis, common conditions such as gouty arthritis, rheumatoid arthritis or rheumatoid arthritis, or it may be a muscle strain or aseptic inflammation of the joints and muscles after long-term strain. To sum up, if the tiger’s mouth hurts when pressed, it means that the body’s local muscles may be overworked, and the symptoms can be improved by local heat, massage, acupuncture and physiotherapy.