Abstract:Garlic oil and polysaccharide，as deeply processed garlic products，have a variety of functional activities.Therefore，the development of garlic oil and polysaccharide health foods shows great potential and good economic and social benefits.This study summarized the conventional extraction methods of garlic oil and garlic polysaccharide and the advantages and disadvantages of each method.Additionally，the functional activities of garlic oil and garlic polysaccharide were reviewed based on in vitro and in vivo studies conducted in recent years.