According to the empirical data of Baidu, Euryale ferox, alias "Jitouguo", "Jitoumi", "Jitoulian", "Spindle Lotus" and "Zhao Shi" are the dried and mature seeds of Nymphaeaceae. Preferably, the particles are complete, uniform, powdery, dry and free of impurities. Euryale ferox is known as "ginseng in water", which has the functions of invigorating spleen, nourishing stomach, tonifying kidney and fixing essence. Traditional Chinese medicine holds that Euryale ferox is the most beneficial to the spleen and stomach. Put Celosia cristata in a pot, cover it with cold water, and cook for 5- 15 minutes, then use it (the time depends on the tenderness of Celosia cristata); Note: after cooking, it can't be filtered with cold water, which will lead to the taste of the chicken head fruit and make the chicken head fruit black.