The patient experiences a rupture of the lateral ankle ligament and feels significant swelling, lagging pain, or cutting pain on the lateral side of the ankle. There is swelling of the lateral ankle with extensive subcutaneous bruising, positive tenderness on palpation, and negative heel strike. If the ligament is completely ruptured, there will be obvious indentation on palpation or instability of the ankle joint, and the patient’s functional movement of the ankle joint will be limited. A definitive diagnosis can be made by taking an MRI or ultrasound of the ankle. Most of the treatments can take conservative treatment, first of all, we need to use the brace, plaster to give fixed, limit the ankle joint activities, and at the same time, external application of blood circulation and pain relief cream, Jinhuang cream, and also oral administration of yunnan baiyao, shuji vivify blood tablets, which can accelerate the recovery of damaged ligaments as soon as possible.