After removing the patellar nail, it is usually possible to lift the leg straight for about 2 weeks, and some severe patients may need more time. After removing the nail, you should pay attention to rest and recuperate, generally about 2 weeks of rest can be carried out appropriate rehabilitation training such as straight leg lifting and so on. Through proper rest and rehabilitation training, normal activities can be carried out in about 1 month, but the affected part should be avoided to be re-injured by a large amount of activities. After the removal of the nail, attention should be paid to wound care to avoid infection. At the same time, attention should be paid to diet, to eat more vegetables, fruits, etc., so as to ensure balanced nutrition, in order to provide sufficient nutrition, avoid eating spicy and stimulating food. After removing the nail from the patella, you should have regular follow-ups and follow the doctor’s instructions for treatment.