Simple decontamination spray system, consisting of a basic water supply system and a drainage system, includes a water supply pump, spray ring, collection pool, drainage pump, etc. It is easy to operate and convenient to transport, suitable for field decontamination of a single contaminated individual. Product parameters: 1. Material: stainless steel, spray ring diameter: 950cm; 2. Water pipe diameter: 25mm  Flow rate: 60L/min, water supply pressure: 2.5par, high-pressure nozzles: 8; 3. Water storage pool: diameter 1200cm, height 20cm.