Ligament strains usually take about 2-3 weeks to heal. After the ligament strain, there will be obvious local swelling, pain, pressure pain, subcutaneous bleeding can also be seen in the bruise area, the best treatment is to brake and rest, elevate the affected limb in bed, then do local ice, you can also use topical Yunnan Baiyao aerosol, and at the same time under the guidance of the doctor oral blood circulation drugs, such as Mai Zhi Ling, San Qi wound tablets, etc., to reduce local swelling. When the swelling is gradually reduced and the ligaments begin to heal, it takes 2 weeks for non-weight-bearing ligaments and about 3 weeks for weight-bearing ligaments to heal, and only when the local pain and swelling disappears can the ligament be moved to the ground. If there is a ligament rupture, surgical suturing may be required, and the healing time will be relatively longer, at least 6-8 weeks to fully heal. The surgery is followed by 1 month of fixation for rehabilitation and functional exercises. In addition, ligament strains need to be paid attention to, if the recovery is not good, it may leave dysfunction, prone to re-injury, and in serious cases, may cause osteoarthritis.