The following reasons are common for the obvious depression on both sides of the buttocks: 1, hip muscle atrophy, the patient usually does not participate in sports activities, and in daily life is almost not on the stairs and squatting, the hip muscle is not exercised for a long time, which will cause hip muscle atrophy, diabetic patients have insufficient vascular supply, which can make the hip muscle malnutrition for a long time, the hip muscle atrophy due to lack of nutrition, the elderly general function decreases, the hip muscle will also appear atrophy. When the hip muscle atrophy occurs, you can perform self-weight squatting action or dumbbell weighted squatting action, which can train the hip muscles and strengthen the muscle strength and power; 2, gluteus contracture, the hip muscle is obviously atrophied, and can be touched with the tough cords of the hip muscle fibers in the same direction, and the patient cannot get the knees together in sitting or standing position.