Eating a normal amount of dinner at night will not usually make you fat. If you eat dinner and then eat late-night snacks, or eat dinner too late in the evening, you may become fat. Whether or not eating at night will make you fat depends mainly on whether or not the calorie intake and consumption are balanced. If the calorie intake and consumption of the day is balanced, generally will not get fat, on the contrary may get fat. If you need to work and study at night, not only can’t you have less dinner, but you may also need to add a late-night snack to meet your brain’s needs. If the intake and consumption is in balance, generally will not appear to gain weight. If intake is greater than consumption, excess nutrients are usually converted to fat and stored in the body, leading to obesity. If the intake is less than the consumption, the body fat will usually be mobilized to produce energy to supply the body’s needs, and weight loss will occur. If you want to lose weight, the fundamental way is to change your lifestyle, eat regularly, and to avoid eating before going to bed. There should be reasonable and moderate balanced nutrition to ensure a reasonable mix of fresh fruits and vegetables, whole grains, eggs, milk, meat and other foods. In addition, it is recommended to adhere to scientific, moderate exercise, avoid eating too greasy, stimulating food, but also to quit smoking and limit alcohol, maintain psychological balance, only long-term adherence to be able to avoid gaining weight.