Display method and device of smart phone interface

The invention discloses a smart phone interface display method and device, and relates to the technical field of artificial intelligence, and the method comprises the steps: collecting the face feature information of a user based on a face recognition technology; calculating the age of the user according to the face feature information of the user; when the age of the user is smaller than a preset value, determining that the smart phone user is a child, and matching the face feature information of the user with pre-input face feature information of the child to obtain child identity information corresponding to the face feature information of the child matched with the face feature information of the user; according to pre-stored preset smartphone interface content corresponding to the child identity information, performing display operation of a smartphone interface; the preset smartphone interface content comprises a preset to-be-displayed mobile phone APP and/or to-be-displayed multimedia data. According t