Knee ligament injury is not recommended to drink alcohol for two main reasons: 1, because the knee ligament injury requires braking, rest, drinking may occur subconscious activities in the knee area, resulting in stress reactions in the injured ligament, by pulling may lead to aggravation of the injury or delayed healing, not healing. 2, after drinking alcohol will produce more obvious stimulation of the stomach, knee ligament injury. After the knee ligament injury, usually to take oral non-steroidal anti-inflammatory painkillers, or blood circulation, swelling and pain relief drugs, drugs will also stimulate the stomach, if drinking alcohol may appear gastritis, ulcers and related gastrointestinal symptoms, if the acute phase of knee ligament injury, drinking leads to vasodilatation, increased blood leakage from the injured blood vessels, will lead to more serious knee swelling, affecting the recovery of the knee joint.