Patellar dislocation to be at home for the rest of the time is mostly about 1 month, but also according to the patient’s actual physical condition and the ability to recover to a comprehensive judgment, there is no uniform time standard. Patellar dislocation mostly refers to patellar dislocation, patella is located in the human knee position, may be due to the knee joint sports injury, congenital ligament laxity and skidding dysplasia and other reasons for the clinical symptoms of knee weakness, pain, swelling, etc., generally take more than manipulation reset after the plaster fixation of the way to treatment, some patients may also need surgical treatment. Patients need to stay at home after patella reset, mainly to avoid the dislocation of the patella in the recovery period by the external forces that lead to re-dislocation and other adverse consequences, the patient should comply with the doctor’s instructions and actively cooperate, to ensure that the patella dislocation reset treatment after the normal recovery.