The strain is treated with cold compresses within 72 hours and hot compresses after 72 hours, and can also be treated with external safflower oil and oral medications such as hematopoietic pills and Yunnan Baiyao capsules. Most of the strains are caused by external forces on the muscles, ligaments and tendons, after the strains, within 72 hours, the local cold compresses should be treated. After 72 hours, you can choose hot compresses, and at the same time, the patient can use safflower oil externally, with oral blood by blood stasis pills, blood should be pain pills and other blood circulation and blood stasis class of drugs for treatment. If the patient has severe pain after the strain, you can also take Yunnan Baiyao capsule, panax ginseng injury tablets and other pain medication to relieve pain. If you need to take medication for treatment or pain relief, you should take medication under the guidance of a doctor to avoid unauthorized use of medication that may affect your body.