The role and efficacy of Shiitake mushroom polysaccharide injection is mainly used for the adjuvant treatment of malignant tumors. Shiitake mushroom polysaccharide injection is a kind of anti-tumor adjuvant drug with immunomodulatory effect, which has the effect of promoting the proliferation of T and B lymphocytes and improving the activity of NK cells. It is mainly used in the adjuvant treatment of malignant tumors. Adverse reactions of shiitake mushroom polysaccharide injection include shock, rash, redness, chest pressure, throat narrowing sensation, nausea, vomiting, loss of appetite, headache, headache, dizziness, reduction of white blood cells and hemoglobin, fever, sweating, facial flushing and so on. It is contraindicated in patients who are allergic to the ingredients contained in Shiitake Mushroom Polysaccharide Injection, and the safety and efficacy of the drug in pregnant women, lactating women, preterm infants, neonates, infants and young children are not known. If you need to use shiitake mushroom polysaccharide injection, it is recommended to consult a professional doctor and follow the doctor’s instructions for standardized treatment, not blindly use the drug on your own.