Beet: it is cool and sweet, enters Yangming meridian, has the function of clearing away heat and toxic materials, and has a good effect on patients with stomach fire and carbuncle swelling. It can be eaten by women and children when boiled in soup, and can also be stewed with pork.

Day lily: Also known as day lily, it is flat in nature and sweet in taste. It can cure liver fire, insomnia at night, hoarseness due to lung fire, hemoptysis and nosebleed. Drink it with day lily and fresh lotus root. But day lilies contain colchicine, so when cooking dishes, they must be cooked thoroughly before eating.

Ipomoea aquatica: Also called urn dish, it is cold in nature and sweet in taste. It enters the gastrointestinal tract, clearing away heat and toxic materials, and cooling blood. It is beneficial for elderly constipation, hemorrhoid bleeding and intestinal carbuncle. "Flora of Guangzhou" records that "oral administration can relieve food poisoning, and external use can treat all fetal toxins, tumors and bruises". It can be boiled and drunk, and can also be used for external application to treat various sores, itching, redness and pain.