This product is a tambourine polysaccharide immunity enhancer, which has the effect of improving the body's immune function to elevate leukocytes. Animal experiments show that it can treat leukopenia caused by nitrogen mustard hydrochloride and cyclophosphamide in rabbits; it can promote the recovery of hematopoietic function of mice, dogs and monkeys after γ-ray irradiation and improve the survival rate; it can significantly improve the phagocytosis function of reticuloendothelial cells in mice, increase the number of peripheral lymphocytes in monkeys, increase the rate of E-rosette knot and EAC rosette formation in the peripheral blood of rhesus macaques, increase the level of immunoglobulins and serum total complement, and improve the effect on the immunity function of cyclophosphamide-induced leukopenia. level, and has preventive and therapeutic effects on cyclophosphamide-induced leukopenia in rats; it has the effect of promoting antibody production in both normal and tumor-bearing mice, activating spleen function, and enhancing both specific and non-specific immune responses.