The precautions after patellar fracture internal fixation removal surgery are mainly to avoid excessive weight bearing and stress in the early stage, avoid strenuous exercise and trauma in the early stage, and at the same time, to carry out appropriate functional exercise, pay attention to keep the incision clean and dry, and strengthen the nutrition and nursing care. 1. After patella fracture internal fixation removal surgery, due to the disappearance of internal fixation stress masking effect, at this early stage is generally excessive weight bearing and strenuous exercise in January will lead to re-fracture, etc., especially pay attention to avoid trauma to the knee joint, trauma is also easy to lead to re-fracture of the patella. 2. After the patella fracture internal fixation removal surgery. We should carry out appropriate knee flexion and extension exercise and straight leg raising exercise. 3. In the early period of incision healing, keep the incision clean and dry, avoid pollution and so on, so as not to cause incision infection. In addition, it is necessary to pay attention to the appropriate strengthening of nutrition, improve the body’s immunity and resistance.