Atomizer and electronic atomization device

The utility model discloses an atomizer and an electronic atomization device. The atomizer comprises a shell, an atomization core and a baffle, and an airflow channel is formed in the shell; the airflow channel comprises an air inlet channel, an atomizing cavity and an air outlet channel which are communicated in sequence; the atomization cavity is provided with an air inlet communicated with the air inlet channel and an air outlet communicated with the air outlet channel; the atomizing core is arranged in the shell and provided with an atomizing face, and the atomizing face forms part of the side face of the atomizing cavity. The atomization cavity is provided with opposite side faces opposite to the atomization face. The air inlet and the air outlet are arranged at an interval along the direction parallel to the atomizing surface; the baffle corresponds to the air inlet; the baffle plate at least extends from the atomizing surface to the opposite side surface of the atomizing cavity and is arranged at an in