Thigh fat accumulation of the following reasons: the first point, a long time in a low-temperature environment, because if the legs are cold, the body will automatically transfer fat into the thighs within the cortex, the thighs become thick, the body uses this way to protect the muscles and blood vessels of the thighs, too much fat will cause thigh fat accumulation, obesity. The second point, sitting for a long time, sedentary can make the thigh veins do not work, slow blood flow and a large accumulation of fat, and even edema, by changing the problem of sedentary, can reduce the thickness of thigh fat. The third point, exercise less, many people are always in the office, sofa, restaurant, etc. spend their day time, no time to carry out enough exercise, the lack of exercise, no active movement, thigh fat is not possible to effectively decompose, it will cause fat accumulation, excessive obesity.