Smart IoT wireless construction refers to the process of building an efficient, reliable, and scalable wireless communication network for smart scenarios such as smart homes, smart factories, smart cities, etc., to achieve device interconnection, data transmission, and intelligent control. The core of building smart IoT carrier services and wireless pressure sensors, wireless temperature sensors, and wireless liquid level sensors is to solve problems such as large-scale device connectivity, multi scenario adaptation, low power consumption, and high reliability balance through reasonable technology selection, architecture design, and deployment strategies.