It is an edible vegetable. In Guangdong and Hong Kong, it is called tangerine. In Sichuan, it is called tofu dish with soft pulp leaves. Soft lady's dish is generally called soft pulp leaves around Chengdu, and is called fungus or tofu dish in some provinces and cities. It is a common dish in southern summer. It has a soft and smooth taste. It can be made by stir-frying or making soup. Sweet potato is both a vegetable and a medicinal material, which can clear away heat and detoxify. It is not suitable for people with weak spleen and stomach.