Early stage of femoral head necrosis can be treated by the following methods: first, low-frequency pulse magnetic therapy, the patient will be fixed in the hip joint area electromagnetic ring, 6-8 hours of treatment every night; second, fumigation therapy, 20-40 minutes each time, 1-2 times a day; third, standing suspension gravity traction method, the patient standing position, put on the chest belt by themselves, on a high platform to hang the traction rope on the hook, gradually squatting, standing several times After the standing suspension type. Start swinging the lower limbs back and forth 20-50 times, then swing them left and right 20-50 times, rotate them left and right in the longitudinal axis 20-50 times, bend the knees, bend the hips and stir downward, 20-50 times per group, 5-10 groups per day; fourth, if conservative treatment is not effective, artificial hip replacement surgery can be performed instead.