When transport vehicle approaches to the platform, the door will open. If the control button is pressed continuously, the platform will lift to its certain position, and the front plate will be opened automatically. When the control is released, the platform will descend till the front plate laps jointly with the compartment plate of the transport vehicle; at this moment, the goods can be loaded or unloaded safely. After that, any action of holding the control button will make the platform reset. Mechanical landing platform: this platform does not need the power supply, and can be used at any time and any place. The platform allows manual operation and can be lifted by spring. Any action to pull the pull-tab on the panel can make the platform lift; afterwards, the platform can descend when a person stands on the front end of the panel. The platform is equipped with the safety brace bar, and additionally the safety baffle plate at both sides; all of them guarantee the operation safety. Upon multiple improvements, the operation frequency and service life of the platform are far surpassing that of the similar products at home and abroad. Hydraulic landing platform: this platform facilitates unloading operation, improves the stability and reduces the maintenance expense; it is very appropriate for the area with busy vehicles and traffic.