Stretching occurs when a patient injures the soft tissues of the muscles after an external force. In this case, the patient should first stop the activity and rest in bed. The injured area should not be massaged and rubbed blindly to avoid aggravating the injury. Cold compresses should be applied to the injured area within 24 hours of the injury, and ice can be applied externally to reduce bleeding by causing spasmodic contraction of the injured capillaries. After more than 24 hours of injury, hot compress treatment can be taken, the use of Chinese herbal fumigation in the injured area, or the external application of blood circulation, swelling and pain relief ointment, can also be used acupuncture, moxibustion and other methods, or the use of physiotherapy instrument baking electricity, microwave instrument treatment, infrared therapy instrument treatment and other methods. At the same time, the patient can also be told to take oral blood activating or bruising drugs, all of which will make the damaged muscle tissue recover as soon as possible.