Disclosed is a biological recognition lock system including a wireless control lock and a biological recognition host. The wireless control lock includes a lock body and a wireless receiving unit, and the biological recognition host includes a camera unit, an image processing control unit, an image database and a wireless transmitting unit. The image processing control unit electrically connects and controls the camera unit, the image database and the wireless transmitting unit to determine identification so as to wireless open the wireless control lock. The image database includes recognition images for comparison and the camera unit has variable-focus and tracking feature, and includes a camera module, a color filter, an infrared filter and a filter switching part. Thus, the present invention implements a function of biological recognition lock through a face or iris recognition with the color or infrared images.