Cyperus esculentus can be eaten raw or fried. Cyperus esculentus can be eaten raw and tastes sweet. Especially the freshly harvested Cyperus esculentus, the cut fruit is white and clear, emitting a burst of fragrance. It can also be ground into flour and made into various foods. Cyperus esculentus ground into flour products is very common in Africa and is a common food for local people. In some countries in Africa, Europe and South America, Cyperus esculentus is used as a substitute for cocoa and coffee. Cyperus esculentus (also known as tiger nut) is native to Africa and Mediterranean countries. Cyperus esculentus was introduced to China from Bulgaria in 1960. It has been planted in Heilongjiang, Beijing, Hebei, Hunan, Shandong, Sichuan and other provinces, with an average yield of 750 ~ 1000 kg per mu.