Anterior cruciate ligament injury edema can be treated with general treatment, medication, physical therapy, and surgery. Anterior cruciate ligament injury edema will cause knee pain, limited flexion and extension activities, need to rest, reduce knee flexion and extension activities. Under the guidance of the doctor, apply the medication to reduce the swelling, such as Mai Zhi Ling dispersible tablets, or take non-steroidal painkillers, such as diclofenac sodium enteric-coated tablets. Apply Yunnan Baiyao aerosol externally or take Panax ginseng tablets orally. Apply ultrashort wave physiotherapy or deep heat therapy to reduce swelling and pain. If most of the ligaments are ruptured and the joint is unstable, ligament reconstruction surgery is needed. Anterior cruciate ligament injury edema is treated conservatively or surgically according to the degree of injury.