The invention discloses a data storage method of a social platform, an electronic device and a storage medium, and the method comprises the steps: obtaining the registration information of a target user, the registration information comprising identity contact information and school calendar skill information; encrypting the identity contact information; carrying out authenticity authentication onthe school calendar skill information through nodes in a block chain, and carrying out in-chain storage on an authentication process and an authentication result; and after the authentication is passed, associating the academic skill information with the encrypted identity contact information, and carrying out in-chain storage, the in-chain stored data being viewable by registered users in the social platform. Through the mode, the problem that user identity contact information is leaked and the problem that a user inputs false calendar energy-saving information in an existing social platformare solved, and the technical effect of improving the safety and authenticity of data is achieved.