Green asparagus is also known as romaine lettuce and romaine lettuce. Asparagus is not a medicine and has no therapeutic effect on human body. But as a nutritious vegetable, it can provide high nutritional value for human body. The edible part of the stem of asparagus is 62%, and the outer skin accounts for a large part. At the same time, each l00g of green bamboo shoots contains 59kJ of energy, 95.5g of water, 1g of protein, 150μg of carotene, 0.6g of dietary fiber, 2.8g of carbohydrates, vitamin C4mg and other nutrients. As a refreshing vegetable, green bamboo shoots are rich in dietary fiber. It can be cooked in cold or stir-fried, which is relatively simple and easy to be digested and absorbed by the organism. Lettuce stems and leaves contain lettuce pigments and have a bitter taste. People who are allergic to lettuce should not eat, and the general population can eat in moderation.