Abstract: An embedded multifunctional air purifier used in a kitchen is installed in a predetermined space of a cupboard and includes a casing, a front filter, an electrostatic dust collector, an air extraction module, a photocatalyst module and a vitamin C filter. An air inlet and an air outlet are formed on a front side of the casing; an air channel is formed in the casing; the front filter is installed at the air inlet; the electrostatic dust collector id installed at a front section of the air channel; the air extraction module and the photocatalyst module are installed at a rear section of the air channel; and the vitamin C filter is installed at the air outlet, so as to eliminate fume odor and germs in the kitchen and provides the function of producing vitamin C.