A method for controlling unlocking is provided. The method includes the following operations. A touch operation of a finger of user on a fingerprint recognition sensor of a terminal is detected. A first fingerprint image is received according to a preset capacity auto control (CAC) parameter corresponding to a default finger, the finger of the user is in the steady state. N second fingerprint images are received according to N sets of CAC parameters; N is an integer greater than 1. A target fingerprint image is determined and matched. The terminal is unlocked when the target fingerprint image is matched.