Ganoderma lucidum was called lucky grass in ancient and it has more than two thousand years' history by way of druggery. Clinic and pharmacology's research indicate that Ganoderma lucidum has many physiological activities and pharmacological actions. Ganoderma polysaccharide is uppermost effective component in Ganoderma lucidum. Especially Ganoderma polysaccharide has anti-tumour active function. This paper summarized experimental research survey about ganoderma polysaccharide's structure, biological function, production and appliance, and so on.