Improved assembled wooden door and using method thereof

The invention discloses an improved assembled wooden door and a using method thereof, and belongs to the field of assembled doors. An improved assembled wooden door comprises a door frame part composed of telescopic supporting modules, a door body composed of telescopic blocking modules and hinges. The telescopic supporting module comprises three telescopic mechanisms and six sealing telescopic mechanisms used for sealing gaps between the telescopic mechanisms and the wall body, and every two sealing telescopic mechanisms are symmetrically connected to the telescopic mechanisms in a mortise and tenon joint mode with respect to one telescopic mechanism. The telescopic mechanism is internally provided with a telescopic plate and a driven plate which are used for abutting against the wall body, the sealing telescopic mechanism is internally provided with a covering plate and a shielding plate which are used for covering gaps between the wall body and the telescopic plate and between the wall body and the driven