Meal refers to meals consumed on a daily basis. Meal is a concept often referred to in nutrition and is used as a general term for all meals consumed on a daily basis. Nutrition recommends following a dietary pagoda. Each age group has its own individual dietary tower. For healthy adults, for example, the recommended daily water intake is 1,500 to 1,700 milliliters, 250 to 400 grams of cereals and potatoes per day, with 50 to 150 grams of whole grains and beans, 50 to 100 grams of potatoes, and the rest of refined rice and refined flour. Fruits are 200 to 350 grams per day; vegetables are 300 to 500 grams per day; animal products are 120-200 g per day; one egg per day is guaranteed; dairy products are 300-500 ml per day; soybeans and nuts are 25-35 grams per day; and sodium intake is less than 5 grams per day, and oils are between 25 and 30 grams. Eating according to the dietary pagoda can ensure the balance and comprehensiveness of human nutrition, and maximize the prevention of diet-related diseases, which is conducive to good health.