Patients with lumbar disc (bulging) herniation and other lower back disorders should pay attention to the following points when wearing a waist girth: 1. The specifications of the waist girth should be compatible with the length and circumference of their waist, and its upper edge should reach the lower edge of the ribs and the lower edge to the hip crack. The back side of the waist circumference should not be too convex, to flat or slightly convex forward is good. Do not use too narrow waist circumference, so as not to overly convex lumbar vertebrae, and do not use too short waist circumference, so as not to abdomen too tight. Generally, you can try it on for half an hour first, so as not to produce discomfort. 2, wear the waist circumference can grasp the time according to the condition, in the waist symptoms are heavy, should often wear with, do not take off at any time, light patients, can go out, especially to stand for a long time or a posture when sitting on the waist circumference, in sleep and rest and then take off. After the symptoms have gradually subsided and the signs have gradually become negative, the waist circumference should be removed and the normal activities of the waist should be gradually resumed, generally the entire use time of 4 – 6 weeks is appropriate. 3, after wearing the waist circumference should pay attention to lumbar activities, because the waist circumference only restricts the activities of flexion and other aspects, but can not reduce gravity, so wear the waist circumference should still pay attention to avoid excessive activities of the waist, generally to complete daily life, work as degree. For patients after surgery, serious lumbar fractures, dislocations, etc., lumbar activities should be carried out according to medical advice, and the lifting of the lumbar girth should also be agreed by the doctor. 4. During the use of lumbar girth, the exercise of the lumbar back muscles should also be gradually increased under the guidance of the doctor to prevent and reduce the atrophy of the lumbar muscles.