Knee ligament injury for a long time belongs to the old injury, through active physical therapy, drug treatment and surgery and other programs may be cured, but not all patients can be cured, treatment needs to follow the doctor’s instructions. 1. Physical therapy: long time knee ligament injury can be fixed by plaster, local massage and infrared radiation to promote the recovery of the disease. 2. Medication: patients can take acetaminophen, ibuprofen and other drugs to relieve pain, the drugs need to be used under the guidance of a doctor, the emergence of adverse reactions to consult a doctor in a timely manner, drug allergies are prohibited. 3. Surgery: If non-surgical treatment is ineffective, the symptoms can be improved through surgical treatment, and the treatment options include ligament reconstruction. After ligament injury, it is recommended to go to the hospital in time to receive treatment, through active cooperation with the doctor standardized treatment, can effectively improve the prognosis of the disease or even cure the disease.