Disclosed is an Internet of things capability integration system, which relates to the field of Internet of things, and the field of telecommunication network and Internet. The disclosed Internet of things capability integration system includes: an Internet of things capability integration access platform, configured to be accessed by Internet of things capability devices, authenticate the accessed Internet of things capability devices, develop Internet of things capability services based on the accessed Internet of things capability devices, and load the developed Internet of things capability services; an Internet of things capability operation management platform, 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 an Internet of things capability opening management platform, configured to open the Internet of things network capability services developed and loaded by the Internet of things capability integration access platform, and perform an management operation on the opening of the Internet of things capability services. An Internet of things capability integration method is also disclosed. The present technical schemes sufficiently exert the operation capability and resources of operators, and cover the shortage of the current Internet of things industry development.