Circulation air cooker

The invention discloses a circulation air cooker, comprising a cooker cabinet, a fan for providing airflow power and an airflow filtering device, wherein the cooker cabinet is composed of a hearth for the placement of stoves and a hood provided with an air suction port; the hood is connected with the air suction port of the fan through an air inlet duct, the airflow filtering device comprises a primary filtering device which is arranged inside the air inlet duct; the airflow filtering device further comprises a wet filtering device for performing secondary filtering on the airflow which is filtered by the primary filtering device, and the airflow carrying cooking fume is subjected to primary filtering and wet filtering and then delivered to an air exhausting port through an air returning duct to be directly exhausted out of the cooker and to working environment or outdoor atmosphere. The circulation air cooker can recycle the airflow so as to avoid environmental pollution caused by exhausting the cooking fume