(1) leg exercises: lie on your back, hold one knee with both hands, bend your hips as much as possible, so that the front side of your thigh sticks to your abdomen for 5~ 10 times, and then do the other lower limb; Then hold your knees with both hands at the same time and do it 5~ 10 times at the same time. Every night 1 time or in the morning 1 time.

(2) sit-ups: supine, abdomen. Be careful not to use upper limbs to help, keep lower limbs straight, and the number of times is uncertain. This kind of exercise can also reduce abdominal fat.

(3) Waist rolling: Lie on your back, keep your legs flexed, curl up and roll back and forth 10~20 times. When lying on the back, put the hot water bag on the painful part of the waist and slightly below the sacrum, and the damp heat lasts for about 10 minute, and then lasts for about 10 minute on both sides of the waist respectively. Finally, lie on your back and do the same with your abdomen. Especially suitable for menstrual low back pain. Pay attention to the temperature to avoid scalding.