1, lettuce is eaten to remove heat. Lettuce is cool, and a proper amount of lettuce can excrete urine in the body in time, thus reducing the body's internal heat. Therefore, eating lettuce will not get angry, but has a certain effect of reducing fire, which is suitable for hot physique.

2. Lettuce can promote diuresis and lactation, promote urination and milk secretion, and has a certain therapeutic effect on people with hypertension, heart disease and edema.

3. Lettuce is very beneficial to patients with iron deficiency anemia. The hot water extract of lettuce has a high inhibitory effect on some cancer cells, so lettuce also has anti-cancer and anticancer effects.

4, eat more lettuce can achieve the effect of detoxification, the cellulose contained in lettuce can promote intestinal peristalsis, dredge the digestive tract, thus helping stool excretion, so lettuce can also be used to treat various constipation.