Disclosed in the present invention are a method and system for implementing an Internet of Things service. In the present invention: a service generation module generates a description script and a flow script according to a required service, sends the description script and the flow script to an application generation module and a control module, respectively; the application generation module generates an application according to the description script and sends the same to an access module; the access module receives an input of an Internet of Things terminal, processes the input of the Internet of Things terminal using the application, and sends the processed data to a control module; the control module runs the flow script and invokes an execution module to execute an operation according to the data sent by an access module; and the execution module executes an operation according to the invocation of the control module.