Chronic strain injury can lead to aseptic inflammation of local muscles, soft tissues and ligaments, resulting in symptoms of local pain. For the treatment of chronic strain injury, first of all, we should pay attention to rest and avoid overexertion. In case of pain, we can take oral anti-inflammatory and analgesic treatment with non-steroidal anti-inflammatory drugs, such as oral diclofenac sodium delayed-release tablets and ibuprofen capsules, etc. We can also take oral Chinese medicine to activate blood circulation and eliminate blood stasis, reduce swelling and relieve pain, for example, we can take oral Pan Long Qi tablets and compound pain capsules, etc. It can also be combined with local physical therapy, such as shock wave therapy, and Chinese medicine treatment, such as acupuncture, tui-na, massage, etc., which also have very good effect.