First of all, if you miss thin belly, you can roll your stomach. This action is specially designed to reduce belly. Lie flat first, and then try to walk in the direction of your feet, close to your stomach. You may feel very tired when doing this action, and even feel cramps in your stomach after a long time. However, in order to lose weight, you must stick to it. After all, losing weight has always been difficult, at least it takes perseverance to do it.
Then the second action is to lift your legs. Lie flat on the bed, then keep your upper body still and lift your legs at the same time. This action is also very difficult. You may feel red in the face, but during this exercise, you must keep breathing at a constant speed, breathe slowly, and don't gasp. Deep breathing may cause you to inhale a lot of cold air, which may cause stomach upset. So losing weight is a lifetime thing, not a matter of time, but depends on absolute perseverance.
The last way is to do more aerobic exercise. For example, skipping rope, running, swimming and swimming more are all very good choices. Aerobic exercise will improve your slimming efficiency and make you achieve the best results in a relatively short time. These methods mentioned above are hard, and fairies should contact them according to their actual situation.