Uncover the transparent film, and then aim the magic wand at Shenque point for about 1-2 hours, but the longest time cannot exceed 2 hours. After use, it can also be attached to cervical vertebra, elbow joint and knee joint, and the second use is not wasted. It is best to use it half an hour after breakfast. At this time, the metabolism is the most vigorous and the use effect is the best. If it doesn't work in the morning, you can use it for half an hour in the afternoon.