The public decontamination tent (4 channels, 12 compartments) features a main structure with air column frames, with airbags having a diameter of ≥250mm and equipped with inflation/deflation valves. The interior is divided into a dressing area, a spray area, and an undressing area, with a decontamination pool located beneath the spray area. The four channels allow for simultaneous decontamination of multiple users. The tent includes a built-in decontamination spray system designed for cleaning multiple contaminated individuals or objects and can also serve as a temporary meeting room or command post. It comes with a packaging bag. Each set of the built-in decontamination system includes at least 4 decontamination stations, 8 changing rooms, and 1 inflatable decontamination pool. The entrance and exit are fitted with curtains and marked with signs. It is equipped with 4 fixed decontamination spray heads, 4 handheld spray heads, 4 valve switches, and straps for securing the spray heads. The outer covering is made of PVC double-sided coated fabric. The tent covers an area of ≥30 square meters, weighs ≤90kg, and measures ≤120×90×70cm when folded.