1. An Internet of things capability integration system, comprising an Internet of things capability integration access platform, an Internet of things capability operation management platform, and an Internet of things capability opening management platform, wherein, the Internet of things capability integration access platform is configured to be accessed by Internet of things capability devices, authenticate the accessed Internet of things capability devices, and develop Internet of things capability services and load the developed Internet of things capability services based on the accessed Internet of things capability devices; the Internet of things capability operation management platform is configured to perform an operation management operation on the Internet of things capability services developed and loaded by the Internet of things capability integration access platform; and the Internet of things capability opening management platform is configured to open the Internet of things network capability services developed and loaded by the Internet of things capability integration access platform, and perform a management operation on the opening of the Internet of things capability services.