Abstract: To address challenges with traditional soil monitoring methods, such as complex wiring, poor real-time performance, and limited coverage, an intelligent soil information collection terminal based on 4G communication has been developed．Terminal uses an STM32 CPU and integrates multi-parameter soil sensors with a 4G communication module, enabling automatic and real-time collection of key soil parameters including temperature, moisture, electric conductivity, and pH．As a core node in a wireless sensor network, data collection terminal transmits data directly and stably to a remote cloud-based monitoring platform via 4G network, enabling long-term, continuous, and centralized monitoring of soil moisture conditions across wide areas．Test results have demonstrated that terminal offers reliable data transmission and low power consumption．It effectively addresses monitoring challenges in remote farmlands or areas lacking network infrastructure．Terminal provides efficient and low-cost technical equipment for precision agriculture and environmental monitoring, significantly enhancing intelligence and informatization level of soil information collection．