fern root powder is a natural wild plant with homology of medicine and food, which can be used as medicine and food. It is rich in trace elements such as iron, zinc and selenium, vitamins and essential amino acids, and its VC content is as high as more than 28.6 mg/1 g.. "Compendium of Materia Medica" contains "fern root can dispel heat and detoxify, induce diuresis, make people fall asleep, and make up the deficiency of five internal organs". Fern root starch is a rare wild food that people have always loved.

Fern root powder is mainly composed of high-grade starch with special ingredients. "Compendium of Materia Medica" once recorded that fern root has the functions of relaxing bowels, clearing away heat and toxic materials, reducing fat and lowering blood pressure, dredging meridians, reducing qi and resolving phlegm, and helping sleep. It has the functions of "clearing away heat and toxic materials, lowering blood pressure and treating coronary heart disease". It also has a good therapeutic effect on sore throat, periodontitis, clearing fire and diarrhea. Therefore, it is very suitable for the elderly as diet food and cold dishes in summer, and it is an ideal nutritional product for the elderly, pregnant women and children.