The sensor equipment collects data such as air temperature, air humidity, carbon dioxide, light, soil moisture, soil temperature, wireless solenoid valve, temperature outside the greenhouse and wind speed in real time in the greenhouse; the data is transmitted to the service management platform through the mobile communication network, and the service management platform analyzes and processes the data. Use cases of the intelligent IoT ecosystem installed In Jiangsu Province, there are farmers who breed hairy crabs, with a breeding area of more than 50,000 mu. However, with the continuous expansion of the breeding scale, crab farmers generally reported that due to the shortage of manpower, the survival rate of crab seedlings and the quality of crab breeding were affected. After using the intelligent IoT ecosystem, remote oxygenation, intelligent feeding, and early warning information, in the eyes of crab farmers, the tedious and tiring work in the past can now be achieved through the IoT technology platform, which not only makes management easier, but also makes the profit higher. Crab farmers can log in to the "Aquaculture Monitoring and Management System" through the Internet and mobile terminals to understand the dissolved oxygen content, temperature, water quality and other indicator parameters in the breeding pond anytime and anywhere. Once a warning of dissolved oxygen indicators in a certain area is found, just click "Turn on the oxygenator" to achieve remote control.