Ligament injury is still painful after three months with incomplete recovery, lack of functional exercise and fasciitis, which can be treated by physical therapy, functional exercise and surgery. 1. Incomplete recovery: ligament injury is very serious, part of the ligament has not completely returned to normal after the injury, no attention to rest and rush to work or activities in the affected area can lead to pain. Physical therapy can be carried out, such as massage, massage, traditional Chinese medicine fumigation, joint relaxation and other treatments, ligament has obvious tearing of the person to give surgical treatment. 2. Lack of functional exercise: after the treatment of ligament strain, the injury has been basically recovered, but the function has not been restored, and the lack of functional training can lead to atrophy and stiffness of the local muscle ligaments, causing pain. Moderate exercise can be carried out to promote the recovery of ligaments. 3. Fasciitis: aseptic inflammation occurs locally, according to the severity of massage, hot compresses, surgery and other treatments can be given. Ligament injuries three months still pain may also have other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.