Malanchu, also known as Wuzhishan Deer's Tongue Vegetable and Revolutionary Vegetable, is a wild vegetable that grows year-round in the mountains of Wuzhishan in central Hainan. It has won people's favor with its rich, watery appearance and fragrant and tender taste. It is said that when General Feng Baiju led the Qiongya Column in the Wuzhi mountainous area to adhere to the revolutionary struggle for twenty-three years the red flag does not fall, relying on this kind of wild vegetables to feed the hunger. Therefore, it is said that this is the revolutionary dish.

Nutritional value: rich in various vitamins, minerals, etc., cool, with a cool and delicious, remove heat and fluids, lower blood pressure, reduce obesity and other effects.