A comminuted fracture of the patella usually takes about 3 months before you can get off the ground. Comminuted fracture refers to the degree of bone damage is more serious, the degree of bone healing is also slow, so the recovery time will be extended accordingly, usually in about 3 months before you can walk on the ground. When there is a comminuted fracture of the patella, it is recommended to seek medical treatment in time, under the guidance of a professional doctor for surgical treatment, and after the operation, bed rest and elevation of the affected limb, in order to reduce the occurrence of edema. In addition, postoperative care is also quite important, after surgery, we should avoid physical labor, maintain a happy mood, light diet, more protein such as fish, eggs, etc. At the same time, in the early stage of fracture healing, we should actively carry out rehabilitation exercises to prevent the adhesion of muscle tissue.