After the tendon rupture, timely surgical sutures are needed, and after the surgery, auxiliary plaster fixation is also needed. For diet, you can eat high-protein food, such as lean meat porridge, fish soup, steamed eggs, all of which can help the tendon repair. In addition, eating more grains and fresh vegetables and fruits to replenish vitamins, and eating foods with blood activating effect, such as yam, angelica, and tianqi, also help to repair the ruptured tendon. It takes at least four weeks to repair a tendon injury, usually four weeks of cast immobilization, after removing the cast, gradually perform local flexion and extension activities, avoid excessive violence, otherwise it may lead to the possibility of re-rupture of the tendon. It usually takes about two months to recover completely.