The most common cause of small tummy fat is sedentary and lack of exercise, especially many office workers to keep sitting office time to abdominal fat accumulation, and some people immediately after lunch seat or used to lie on the desk in the morning sleep, plus diet greasy, high fat, high heat food in the gastrointestinal digestion is not timely will increase fat in the abdominal hoarding, small tummy obesity. There may also be because of spleen weakness and weakness, Chinese medicine believes that the spleen is the main transport and transformation, with the transport of water and grain essence, transport and transformation of water and damp function, spleen deficiency will make the transport and transformation function is damaged, resulting in water and damp heat and cold will stay in the body, can not be discharged in a timely manner, nutrition can not be effectively transformed will lead to abdominal large. In addition, there are some pathological reasons for the bulging of the belly, such as fat, liver, kidney and cardiovascular disease combined with abdominal fluid, but also ovarian cysts, bile duct cysts and abdominal flatulence and other large tumors can lead to abdominal enlargement.