After the patella fracture is casted, it should be treated with bed rest, oral medication and functional exercises during the bed rest period. After the patella fracture, if the fracture is not obviously displaced, you can choose the plaster brace external fixation for treatment. During the treatment period, patients should do strict bed rest to prevent displacement of the fracture caused by excessive activities, and the bed rest time is usually about 4~6 weeks. During the period of bed rest, patients can take anti-inflammatory and analgesic drugs such as nimesulide and diclofenac sodium, sodium heptaphyllum saponin to promote swelling, and proprietary Chinese medicines such as bone-setting tablets and bone-setting tablets. During the period of bed rest, we should strengthen the functional exercise to prevent muscle atrophy and thrombosis, such as toe flexion and extension exercises, straight leg raising, thigh and calf muscle isometric contraction. If the patella fracture is caused inadvertently, it is recommended that the patient go to the hospital for medical examination and receive regular treatment. The use of drugs need to follow the doctor’s instructions.