There are many kinds of vegetables that can lower blood sugar, here we recommend bitter gourd first, bitter gourd has the function of clearing heat and detoxifying, clearing liver and brightening eyes, and the crude extract of bitter gourd has the function similar to insulin, which can lower blood sugar. Next is cucumber, cucumber contains malonic acid can inhibit the conversion of sugar into fat in the human body. There is also the round onion, which contains methylsulfonylurea has a certain hypoglycemic effect. There is also lettuce, lettuce is very low in sugar and fat, but contains a high level of bamboo shoot cellulose, which can stimulate insulin secretion and slow down the absorption of sugar to help control post-meal blood sugar. There are also spinach, yam, black fungus, radish, celery, leek, purple cabbage, hollow cabbage, lotus root, taro, etc.