The invention discloses a method for retrieving a password of a mobile phone private space. The mobile phone comprises a user interface module. The method comprises the following steps: S1, firstly judging whether the password of the private space is lost, i.e., when a user inputs the password, if the password is forgotten or the input password is wrong, judging that the password is lost, and executing a step S2; S2, sending a request of retrieving the password to the user interface module by the user; S3, after receiving the password retrieving request, verifying the request by the user interface module, executing a step S4 if the verification is successful, otherwise executing a step S5; S4, receiving password-retrieving information by the user, namely, retrieving the password; and S5, rejecting the request of retrieving the password and informing the user of the abnormal access to the mobile phone private space. By using the method provided by the invention, when the password of the private space is lost, the user can safely retrieve the password and re-accesses the private space, and higher safety is brought when the user stores the private data in the mobile phone.