The present invention discloses a method for logging in to a terminal device based on fingerprint identification in a standby state. The method includes the following steps: a fingerprint scanning and identification step: in the standby state, scanning and identifying fingerprint information input by a user; an awaking step: if the fingerprint information is successfully identified, awaking a control chip, and sending acknowledgement information indicative of successful fingerprint identification to the control chip; and an unlocking step: upon receiving the acknowledgement information indicative of successful fingerprint identification, unlocking, by the control chip, the terminal device, such that the user successfully logs in to the terminal device.