Lettuce can be eaten raw as long as it is cleaned, and it is safer. Lettuce is rich in nutrients, every 100 grams of lettuce contains 27 calories, of which 2.57 grams of protein, 5.46 grams of carbohydrates, 0.2 grams of fat, 114 milligrams of calcium, vitamin A298IU, vitamin C24.9 milligrams. Lettuce is very crisp when eaten raw, the taste is very good, lettuce also has good vitamins, can be better absorbed by the body, lettuce is also very rich in fiber, can promote intestinal peristalsis, suitable for constipation patients. When eating grilled meat or other greasy food, you can eat some lettuce to relieve this greasy feeling, during weight loss or fat loss, lettuce is a very good vegetable, due to low calorie, rich in dietary fiber, loved by most people. Lettuce raw need to be carefully cleaned to ensure that parasite eggs, bacteria, pesticide residues, etc. as much as possible to deal with clean, before you can rest assured that raw food.