Automatic transaction method and system

The embodiment of the invention discloses an automatic transaction method and system, and relates to the technical field of the internet. The method and system can reduce time and energy consumption when a user purchases daily commodities. The method comprises the following steps that a shopping request message sent by a user terminal is received, wherein the shopping request message comprises commodity information and positioning information of the user terminal; goods picking devices are inquired according to the shopping request message, wherein commodity categories corresponding to the commodity information are stored in the goods picking devices; the values of the distances between the user terminal and the inquired goods picking devices are determined according to the positioning information, the position information of at least one inquired goods picking device obtained through query is obtained according to the obtained value of distance; a response message is sent to the user terminal, wherein the re