One, warm-up activities for 10 minutes, to the whole body slightly sweating, and then tie the abdomen with plastic wrap 5 - 6 layers. Second, lying position to do abdominal exercises. Umbilical exercises: lower body fixed immobile, sit-ups, designed to make the stomach protruding part of the tightening flat. Below the umbilicus exercises: the upper body is fixed and immobile, the feet are raised to do flexion and extension of the legs and overhead raising exercises, aimed at tightening and reducing the entire lower abdominal circumference. External abdominal obliques exercises: after completing the upper and lower abdominal exercises, then do various lumbar rotation exercises. This exercise as an auxiliary exercise, so that the weight loss effect of the upper and lower abdominal exercises is more obvious. Third, knead the abdomen, "drive" fat. As the saying goes: "seven points of exercise, three points of kneading." To get rid of fat in the abdomen as soon as possible, in the abdominal exercise and then clockwise and counterclockwise to do circular kneading 100 times each, "torso drive" fat, promote fat metabolism. It is said that the above method each time to do 30 minutes, 3 to 4 times a week, adhere to 45 days will have significant results.　It is best not to exercise, these days the girls are relatively weak, eat a good point to replenish blood and gas things to reward themselves, after menstruation is the key to lose weight after a week, when the control of the diet, proper exercise, the effect is better!　1. should not do strenuous exercise is to avoid excessive bleeding, or let the position of the uterus change. Women during menstruation can not participate in the long jump, high jump, 100-meter race, and can not do push-ups, dumbbells, etc. These need to increase the amount of abdominal pressure of the movement.　2. Choose the right time to exercise Menstruation is a sensitive period, exercise to lose weight of course to choose the right time. Generally speaking, you can exercise only if your tiredness disappears on its own after a good night's sleep, the bleeding is not heavy, and there is no strong pain in the abdomen. Otherwise, you still need to rest mainly.　3. Shorten the exercise time During menstruation, your body is not as strong as on weekdays, so when you exercise, you should shorten the exercise time, slow down the speed, and focus on relaxing your muscles.　4. Avoid water exercise Swimming is a very effective exercise for weight loss. But it is not suitable for menstruation. Menstruation, in order to avoid infection or menstrual disorders, do not participate in diving, swimming, water polo and other water sports, and do not take a cold shower and wash your feet with cold water.