The diet is very important and the diet needs to be taken into account: 1. The stomach may feel hungry in 4-8 hours or 4-6 hours when it can be emptied. Therefore, you need to replenish water, nutrition and energy. Three meals a day should be eaten on time, you can not eat in the morning or even a late night snack, are not good for the body. The number of meals is about 3 times; 2, people are a whole, in a balanced condition, human activity, weight to determine how much energy is needed, can be based on weight, activity to determine the diet, can not eat too much or too little, too much food can cause obesity, too little will cause malnutrition; 3, the quality of the diet should be good, do not eat food harmful to the body, such as moldy, moldy, overnight food is harmful to the body. Do not eat pickles, kimchi, sauerkraut, because it contains carcinogenic substances; 4, more sensitive to certain foods, or allergies to certain foods can not be tolerated, such as fish, shrimp, must not be eaten. According to your own characteristics and physique to decide what to eat is good for your health. The diet should be on time, according to quality and quantity, and avoid foods that cannot be tolerated.