The invention discloses a method and a system for tobacco retail management based on a WeChat platform. The method and the system have the advantages that on the basis of a WeChat mode, the contact among a tobacco commercial enterprise, a retail place and a client is realized, the circulation management of tobacco is improved, and the tobacco service quality is improved; the client can conveniently find the neighbor retail place after position information is input into a client end at any time and any place, so required tobacco information can be obtained, and the client service quality is improved; a server end correlates with the circulation data of the tobacco commercial enterprise to obtain the information of the retail place, tobacco circulation can be supervised through a supervising platform of a third party with the method and the system, and illegal inventory transshipment is prevented; the tobacco enterprise or the retail end can analyze the demand of the client, manage a tobacco retail plan and adjust the corresponding product configuration according to the ordering information of the client.