Whether eating at night is easy to gain weight, but also need to be based on the type of food intake and the amount of food to judge. 1. will be fat: in the evening before going to bed if you eat too much high sugar and high-fat foods, such as fat and cake, these foods are richer in caloric content, in a large number of these substances, these calories can not be consumed, the long term will be converted to fat accumulation in the human body, thus causing the situation of obesity. 2. will not be fat: night if you eat dietary fiber-rich foods, such as green leafy vegetables, these things in the calorie is relatively small, appropriate to eat and eat a small amount of cases does not lead to obesity. Three meals should be reasonable with the diet, so as not to have an impact on the health of the body, but also need to be appropriate with some sports, such as running and swimming, playing badminton, etc., to maintain weight within the normal range.