Ligament reconstruction infection needs to be based on the specific severity of the targeted selection of treatment programs, mainly drug therapy and surgical treatment, usually pay attention to care to prevent complications. 1. Drug treatment: after ligament reconstruction surgery, if local infection occurs, it is mainly related to the germs attacking the damaged area. When the condition is relatively mild, you can choose to take antibacterial and anti-inflammatory drugs for treatment, such as amoxicillin or cephradine. 2. Surgery: If the infection after ligament reconstruction surgery is more serious, it is easy to form fluid or even invade the surrounding tissues, it is necessary to incise and drain through surgery as soon as possible to discharge the local pus, and at the same time to remove the lesions, and then combined with anti-infection drugs to control the development of the disease. After ligament reconstruction surgery, early attention should be paid to braking and resting, keeping the wound hygienic and clean to prevent infection. In the later stage, it is necessary to carry out exercise and functional exercise in a gradual manner to prevent the occurrence of sequelae, otherwise it is easy to directly affect the daily life and work.