The thumb should be referred to as the big toe. If the big toe cannot be hooked up when the foot is hooked halfway, you can rely on self-initiated exercise and rehabilitation treatment. 1. Self-initiated exercise: You can do some foot strength exercises and some joint flexion and extension exercises to train the joint mobility treatment. 2. Rehabilitation therapy (1) Exercise therapy: Under the guidance of the rehabilitation doctor, exercise therapy can be carried out, such as weight-bearing training, big toe dorsiflexion training, and so on. (2) Physical factor therapy: for example, medium frequency electrotherapy, wax therapy, etc. to improve circulation and promote the recovery of big toe function. Patients should go to the hospital for examination in time, and can go to the rehabilitation department of the local regular hospital for systematic rehabilitation treatment in time and exercise under the guidance of the doctor. Usually also need to avoid exertion, pay attention to the combination of work and rest and strenuous exercise, usually use more warm water to soak feet, promote blood circulation, improve physical fitness, relax the pressure, maintain a pleasant mood.