The invention relates to an Internet of Things and Internet information exchange system, the system comprises an Internet of Things information unit, an Internet information unit and an information exchange and monitoring unit, wherein the Internet of Things information unit is communicated with the Internet information unit through the information exchange and monitoring unit, the Internet of Things information unit comprises a plurality of Internet of Things client terminals, an exchanger and an Internet of Things database server, the Internet information unit comprises an Internet data server, a plurality of Internet client terminals and an Internet communication network, and the information exchange and monitoring unit comprises a communication protocol exchanger, a communication protocol server and a data management server. In the system provided by the invention, a networking structure is simple, invested cost of networking equipment construction and maintenance is low, data communication interaction is smooth and high-rate, and the system also has a good data monitoring function, thus, while data high-speed exchange between the Internet of Things and the Internet is guaranteed to be realized, communication security of data communication is also improved.