Tremella Fuciformis Extract is extracted from Tremella fuciformis. It’s mainly active ingredient is Tremella polysaccharide.Tremella polysaccharide is a basidiomycete polysaccharide immune enhancer, which can improve the immune function of the body and promote white blood cells.The experimental results showed that tremella polysaccharides could significantly improve the phagocytosis of mouse reticuloendothelial cells,and could prevent and treat the leukopenia induced by cyclophosphamide in rats.Clinical use for tumor chemotherapy or radiotherapy caused by leukopenia and other causes caused by leukopenia, has a significant effect.In addition, it can also be used to treat chronic bronchitis, with an effective rate of over 80% .