The present invention discloses a data inquiring and analyzing system based on a WeChat public platform, which comprises a data synchronization unit, a data acquisition unit, an identity authentication unit, an inquiry unit, a sending unit, a display unit and a feedback unit, wherein the data synchronization unit is used for synchronously acquiring an update operation of a service system; the data acquisition unit is used for decrypting and acquiring data; the identity authentication unit is used for reading a configuration document and completing identity authentication; a user can carry out data information inquiry by keywords; inquiry result data is sent to a user side by processing; the display unit is used for calling a program interface and creating a display page; and the feedback unit is used for carrying out system content feedback on the user. According to the technical scheme disclosed by the present invention, the data inquiring and analyzing system is based on the WeChat public platform; real-time and diverse display of data of a mobile terminal is implemented; aiming at the keywords, the user can inquire the data so as to timely acquire, master and analyze the information; meanwhile, data safety is also ensured; the data is prevented from being leaked; user experience is reinforced; and working efficiency of the user is improved.