The invention discloses a data transmission method and device based on the Internet of Things, a storage medium and a terminal. The data transmission method comprises the steps of acquiring messagefeatures and connection features of equipment; generating a decoding label corresponding to the equipment according to the message characteristics, and generating an interaction design corresponding to the equipment connection according to the connection characteristics; matching a decoding label corresponding to the equipment according to the access verification information of the equipment, andmatching an interaction design corresponding to the equipment according to the access verification information of the equipment; analyzing data received from the equipment according to the matched decoding label; and completing data transmission with the equipment by utilizing the decoding label and the interactive design. By establishing the decoding label, the problem that the Internet of Thingswith different communication technologies, different transmission standards and different communication messages accesses the server is solved. By establishing the interaction design, the Internet ofThings interaction problem of different communication technologies, different transmission standards and different communication messages is solved.