Lettuce is lettuce, with diuretic, lactation, heat and detoxification effects, contraindication for the spleen and stomach cold people should not eat, lettuce allergic to the crowd should not eat. Lettuce is the stem and leaves of lettuce in the family of Asteraceae, bitter, sweet, cool, to the stomach, small intestine, with diuretic, lactation, heat and detoxification effect. Lettuce is cool in nature, clearing heat and diuretic, can be used for the treatment of urinary disadvantage (dysuria); lettuce sparingly, with the function of lactation, can be used for the treatment of insufficient milk; lettuce is used for insect and snake bites and poisonings, and is often mashed and applied externally. Lettuce consumption method should be cold or fried, but contraindicated for the spleen and stomach cold people should not eat, lettuce allergic to the crowd should not be eaten. Lettuce as a medicinal food items, can play a limited medicinal efficacy, can not replace the drug treatment of disease. You should seek medical advice in a timely manner and choose medication under the guidance of a doctor, rather than using your own medication.