Soba is made of buckwheat noodles, buckwheat is a coarse grain, low sugar and fat content, so three meals a day in moderation to eat soba noodles generally will not gain weight, but if you eat a long day in excess of three soba noodles, may grow fat, but also may lead to some other adverse effects. Soba noodles contain more dietary fiber, can make the gastrointestinal tract peristalsis to speed up the digestion and absorption of food, and for bowel movements also have certain benefits, so generally do not gain weight, and to a certain extent is also conducive to weight loss. And soba noodles are low in calories, each 100g of soba noodles contain less than 100kcal of calories, and can be eaten in place of staple foods to increase satiety, so that other food intake is reduced, so three meals a day in moderation to eat soba, usually do not gain weight. But if you eat a lot of soba noodles three times a day for a long time, the intake of sugar will be too much, and if there is little exercise, it is possible to gain weight; and because of the high protein content of soba noodles, fat content is less, the nutrition contained is not balanced, if you eat soba noodles three times a day for a long time, while the intake of other foods is too little, there may be malnutrition problems. In addition, because soba is not digestible, especially for people with poor digestive function, eating soba three times a day may increase the digestive burden of the gastrointestinal tract, the symptoms of indigestion, such as bloating, belching, etc., and for people with buckwheat allergies, should be careful to eat. For people who want to lose weight, in addition to diet control, but also on the basis of the appropriate amount of exercise, including aerobic exercise, such as running, brisk walking, swimming, kinetic cycling, and anaerobic exercise, such as equipment training, plate support, etc., to achieve weight loss.