The embodiment of the present invention provides a method, device and terminal for finding a mobile phone, and a computer readable storage medium, wherein the method includes: acquiring the international mobile equipment identifier (IMEI) of a lost mobile phone; acquiring a new number of the mobile phone according to the IMEI; and determining, according to the new mobile phone number, the motion track information and the current user information of the mobile phone. The method, device and terminal for finding a mobile phone and the computer readable storage medium provided by the invention, according to the acquired IMEI and the new mobile phone number of the mobile phone, further obtain the motion track information and the current user information of the mobile phone by using the new mobile phone number, effectively achieve the acquisition of the motion track of the current user and the current user information of the mobile phone by means of the uniqueness of the IMEI of the mobile phone, namely can find out the identity information of the current user, thereby improving the probability of retrieving the mobile phone, ensuring the practicality of the method, and being conducive to market promotion and application.