The invention discloses a kitchen air purification and filtration device. The kitchen air purification and filtration device structurally comprises a locking bolt, an efficient air purification device, a control box, a gas collecting cover, an air inlet pipeline, a supporting leg frame, an oil discharging pipeline, a power motor device, a rolling wheel transmission mechanism, an airborne transmission mechanism, a protective cover shell, an air purification mechanism, a gas suction mechanism, an oil smoke separation mechanism and a power transmission mechanism. The kitchen air purification andfiltration device can effectively carried out purifying treatment on the oil smoke in a kitchen, and the oil smoke is centrifugally separated, then the gas is subjected to triple filtration purification, so that the gas is purified more thoroughly, the quality of the gas is improved, and the harm to the health of a user is effectively reduced.