The following usage plan is recommended: Duration of each session: about 20-60 minutes per area, adjusted according to the size of the area and the user's tolerance. Frequency: 1-2 times a week, with at least 7 days between each area to allow fat metabolism and skin recovery. Treatment cycle: It is recommended that the full course of treatment is 6-12 times, and the cycle is 6-12 weeks. Usually, significant changes begin to be seen after the 3rd-6th time.