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 is 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.
