Of course it's edible. We can eat its young leaves, but we should pay attention. It has no taste, but it tastes good, round, tender and delicious. At present, it is a precious vegetable. The simplest way to eat is water shield soup, which is very simple. You don't need to prepare many other materials, and it tastes particularly delicious. In addition, if cooked with shredded chicken and ham, it will taste by going up one flight of stairs. This dish is a famous dish of Zhejiang cuisine, and its practice was recorded in ancient books a long time ago. There is also a cold water shield, which is no trouble. Just mix the water shield itself with some condiments. And water shield crucian carp soup. The process of this dish will be more troublesome, but it is rich in nutrition and extremely beneficial to human health. Of course, there are many other dishes, such as water shield fish fillet soup, water shield beef porridge, water shield chicken soup and so on, so I won't introduce them here. It is not only edible, but also delicious. The most important thing is that it is also very nutritious. According to statistics, every 100g of water shield contains protein 1.4g, which is the same as that of apples. In addition, it also contains 0.5g dietary fiber, 55mg vitamins, 42mg calcium and 122mg glutamic acid. Because most of the above ingredients are needed by our human body, it is also an important reason why people eat it. It is not only nutritious, but also helpful for the relief and treatment of some diseases. Generally speaking, it has the effects of clearing away heat and toxic materials and reducing swelling. Specifically, it can help to treat hypertension, stomachache, vomiting and other symptoms.