Abdominal breathing is only one way of breathing, and by virtue of abdominal breathing alone, it has less effect on slimming the belly. But abdominal breathing, if combined with other fitness training and diet control, is more effective in slimming the stomach. Abdominal breathing refers to maintaining a calm state of mind, expanding the abdomen outward when inhaling and contracting it inward when exhaling, keeping the chest cavity still while breathing in the abdomen and moving the diaphragm up and down, thus breathing slowly. To a certain extent, abdominal breathing can stimulate gastrointestinal peristalsis, accelerate the body’s metabolism, exercise the deep abdominal muscles, indirectly play a role in promoting digestion, fat burning. In addition, abdominal breathing can also be used to improve the abnormalities of breathing caused by some diseases, such as hyperventilation syndrome, primary hypertension, chronic obstructive pulmonary disease, etc.. As for slimming the stomach, it is not achieved by abdominal breathing alone; weight loss is a result of whole-body exercise to achieve. Local exercise can only exercise local muscles and have some shaping effect. Total body weight loss requires a controlled diet, maintaining a low oil, low salt, low fat diet, as well as scientific and reasonable physical exercise, such as aerobic exercise at least 3 times a week, 30 minutes or more each time, combined with local exercises, such as flat support, curling, etc., and maintain good lifestyle habits. But the most important thing is to have a persistent attitude in order to achieve the desired results. Through the whole body weight loss can be more intuitive to feel the improvement of the belly area flab. In addition, abdominal breathing has other benefits, such as relieving anxiety and tension, regulating autonomic function, which can effectively help relax the body and mind and relieve stress.