The invention discloses an access control apparatus preventing and controlling influenza and a prevention and control method thereof. The access control apparatus comprises a sterilizing compartment, a background main machine, and a first access control system, a second access control system, an alarming device, an ultraviolet lamp and an air shower machine which are connected with the background main machine, wherein the sterilizing compartment is provided with at least one first switch door and a second switch door, the outer side, corresponding to the sterilizing compartment, of the first switch door is provided with a first infrared temperature sensor, the outer side, corresponding to the sterilizing compartment, of the second switch door is provided with a second infrared temperature sensor, the first access control system controls the opening and closing of the first switch door, the second access control system controls the opening and closing of the second switch door, the ultraviolet lamp for sterilizing personnel and the air shower machine are arranged inside the sterilizing chamber, and the first infrared temperature sensor and the second infrared temperature sensor are connected with the background main machine. By detecting the human body temperature of people after and before entering the compartment, and controlling the entrance and exit of the personnel based on the measured human body temperature, the spreading of the influenza can be effectively prevented. The access control apparatus is higher in safety coefficient, more complete in function and higher in intelligence degree.