Bean seedling, commonly known as pea seedling, is the tender seedling of pea in leguminous plant. The feeding parts of pea seedlings are tender buds and leaves, which are rich in nutrition and contain a variety of essential amino acids. They are suitable for growing in sunny, humid and warm environment, with tender and smooth leaves and good color, fragrance and taste. Rich in nutrition, green and pollution-free, crispy and delicious, unique in flavor, and cool in bean sprouts. It is a cool food in hot and dry season, which has a certain effect on removing accumulated heat in the body. The reason is that bean sprouts are slippery and slightly cold, which can improve the symptoms such as oral inflammation, swollen gums, bad breath, dry stool and golden urine caused by eating more fried hot food and excessive alcohol and tobacco. The unique fragrance of bean sprouts, whether as a main course or a side dish, is very delicious, such as roasted bean sprouts with fresh mushrooms, roasted bean sprouts with crab meat and stir-fried bean sprouts.