The utility model provides a product tank cleaning equipment's controlling means, including module able to programme, power module, guard grating, explosion -proof display, video switch and the relay be connected with module able to programme, module able to programme is passed through the guard grating and is connected with the flowmeter and the level gauge that set up in product tank cleaning equipment, and the video switch is connected with the black light night -time vision device of installing in product tank cleaning equipment, and the relay passes through the fuse and is connected with the valve among the product tank cleaning equipment, through working condition of each device among module centralized management able to programme and the control oil tank cleaning equipment, the automatic integrated level height of controlling means is connected with the guard grating before the module able to programme, can carry out the transmission of the two -way transmission signal of telecommunication between safety zone and hazardous area to can restrict for some reason safety zone that the barrier arouses to the energy transfer in hazardous area, improve whole equipment operation's security and reliability, avoid the emergence of dangerous accident effectively.