According to agro-biological classification, vegetables can be divided into 12 major categories. (1) Root vegetables: including turnips, carrots, daikon, turnips, etc. (2) Cabbage: including Chinese cabbage, Chinese cabbage, cabbage shoots, cabbage hearts, mustard greens, etc. (3)Green leafy vegetables: including spinach, celery, amaranth, coriander, lettuce, water spinach, etc. (4) Onions and garlic: including scallions, garlic, onions, leeks, etc. (5)Potato and taro: including potato, taro, yam, ginger, etc. (6) tomato and fruit: including tomatoes, peppers, eggplants, etc. (7) Legumes: including cowpeas, kidney beans, lentils, broad beans, peas, etc. (8) Squash: including cucumber, watermelon, shoot melon, zucchini, winter squash, loofah, etc. (9) Aquatic vegetables: including lotus root, wild rice, cichlid mushrooms, watercress, lozenges, water chestnuts and so on. (10) Perennial vegetables: including bamboo shoots, golden broccoli, shidiao cypress (asparagus) and so on. (11)Edible mushrooms: including mushrooms, straw mushrooms, flat mushrooms, shiitake mushrooms, fungus, etc. (12) Kale: kale, cauliflower, kale, etc.