Eating boiled shrimp at night is not fat, prawns are high in nutritional value, rich in protein, rich in calcium and have the effect of increasing the immunity of the body. Rich in magnesium, it can protect the cardiovascular system. However, it is also necessary to eat in moderation, if you eat too much, will also lead to the body to become fat, not more than 200g per day is appropriate. In addition, patients with allergic diseases should be used with caution, often eczema, dermatitis patients should also eat less. If a large amount of vitamin C is taken, the consumption of prawns should be prohibited during the period. For people who want to lose weight, control the total calorie intake so that the calorie consumption is greater than the calorie intake, and do not eat foods high in sugar and fat. Eat more fresh vegetables and fruits rich in vitamins, as well as coarse fiber foods that can detoxify and increase satiety. In addition, to adhere to physical exercise, you can choose to swim, jogging, rope skipping and other aerobic exercises.