Embedded multifunctional air purifier used in kitchen

An embedded multifunctional air purifier for kitchen, embedded and installed in a predetermined space of a cupboard, and the embedded multifunctional air purifier comprising a casing with an air inlet and an air outlet, a gas channel formed in the casing, and the casing being provided for installing an electrostatic dust collector, an exhaust module, a front filter, a photocatalyst module and a vitamin C filter therein, wherein the front filter is installed at the air inlet, and the photocatalyst module is installed at a rear section of the gas channel, and the vitamin C filter is installed at the air outlet, and the embedded multifunctional air purifier is characterized in that a flip cover is covered onto the top of the casing, and the gas channel includes a hood installed therein, and the exhaust module is sealed and installed inside the hood, and the electrostatic dust collector is sealed and installed at an inlet of the hood, so that after the exhaust module sucks an airflow from the air inlet, the airflow is discharged from the air outlet through the gas channel, and a gas detection module is installed at the air inlet for detecting a status of toxicity of the airflow, and issuing a warning signal according to the status of toxicity.