Move the sterilizer to the intended sterilization location and connect the air inlet; Turn off the air conditioning system (HVAC) or the intake system of the isolation system in the clean room; Set warning signs in the intended sterilization area to protect personnel safety; Place a fan (or blower) at an appropriate location in the cleanroom to ensure uniform distribution of hydrogen peroxide gas; start the BioDecon system cycle; control the relevant cycle parameters through PLC and automatically run the program; introduce filtered clean air into the clean or isolated system until the VHP concentration drops to a safe level; manually check the VHP concentration after the cycle ends to ensure personnel safety.