Ankle bone fracture is clinically known as ankle joint fracture. The ankle fracture is immobilized in a cast for 46 days, after removing the cast, the affected limb is better not to walk on the ground for the time being, and should strengthen the functional exercise of the ankle joint, which can be partially weight-bearing exercise according to the doctor’s instruction. Ankle fracture cast treatment is a kind of conservative treatment, cast fixation is generally 6~8 weeks. Removing the cast in about 46 days just means that the fracture has healed to the point that no further immobilization is needed, but the fracture has not healed completely. Therefore, it is best not to rush to the ground at this time, in the case of good recovery, ankle fracture can be gradually weight-bearing 6 weeks after surgery, the transition to full weight-bearing, about 3 months after surgery. Partial weight-bearing can be done with the use of aids to walk on the ground. During the period of bed rest and braking, attention should also be paid to the rehabilitation of the ankle joint. Adherence to rehabilitation exercises can prevent complications such as ankle stiffness. During the period of conservative treatment of ankle fracture, you should have a regular review, follow the doctor’s instructions for treatment and rehabilitation exercises, do not blindly handle and exercise on your own, so as not to cause adverse consequences.