2, and lettuce is rich in chlorophyll, water, vitamins and cellulose. After eating lettuce, it can effectively promote gastrointestinal peristalsis and relieve gastrointestinal discomfort such as indigestion. At the same time, eating lettuce properly can also control the body's absorption of excessive oil and protein, and avoid the obesity caused by fat accumulation. It is suggested that pregnant women can add a proper amount of lettuce to their daily diet and eat it regularly to ensure their health. Vegetables with more cellulose content such as lettuce and green vegetables can enhance physical fitness.