Clinically, knee cruciate ligament injury can take non-steroidal anti-inflammatory drugs, blood-activating painkillers and swelling-reducing drugs under the guidance of doctors. 1. Non-steroidal anti-inflammatory drugs: patients can take non-steroidal anti-inflammatory drugs such as ibuprofen under the guidance of doctors, so as to eliminate inflammation, relieve pain and achieve therapeutic effect. 2. Blood-activating painkillers: under doctor’s guidance, patients can take appropriate blood-activating painkillers such as blood-activating painkillers capsules, etc., which can promote blood circulation, relieve pain symptoms, and promote the recovery of the injury. 3. Anti-swelling drugs: after knee cruciate ligament injury, patients may have joint swelling symptoms, can take anti-swelling drugs such as Diosmin tablets to eliminate swelling and relieve symptoms after communicating with doctors. If cruciate ligament injury occurs in the leg joint, you should go to the hospital for examination in time and follow the doctor’s advice for treatment.