Water chestnut, also known as horseshoe, has been called "underground Sydney" since ancient times and "Jiangnan Ginseng" in the south. Water chestnut is a cool food. In dry winter, eating water chestnut not only enjoys the taste, but also has the effects of clearing away heat and purging fire, relieving sore throat and resolving phlegm.

There is a folk saying that "it is better to drink ginseng soup than three slices of ginger in the morning" and "ginger and ginseng in October". Ginger is pungent and warm, and has many functions such as dispelling cold and sweating, resolving phlegm and relieving cough, regulating stomach and stopping vomiting.

There is a substance called "arachidonic acid" in fat meat, which can reduce blood lipid in human body and synthesize prostaglandin with linoleic acid and linolenic acid, which has many important physiological functions. In addition, fat meat also contains 22 kinds of long-chain unsaturated fatty acids, such as dicarboxylic acids, which are related to the growth and development of human nervous system and brain tissue. Fat meat can also prevent cholesterol accumulation and platelet aggregation.

Water chestnuts are steamed with ginger oil, which is delicious first and rich in nutritional value second.