Garbage can capable of automatically opening cover with low airflow disturbance and using method thereof

The invention discloses a garbage can capable of automatically opening a cover with low airflow disturbance. The garbage can comprises a can body; the rear end of the can body is higher than the frontend of the can body; a winding drum is arranged at the top of the rear end of the can body; opposite sliding chutes are formed in the top of the can body; the sliding chutes are low in front and highin back; notches of the sliding chutes are opposite to the top end of the winding drum; a steel sliding shaft is slidably connected in the sliding chutes; the middle part of the sliding shaft is fixedly connected with a flexible can cover; the rear end of the flexible can cover is wound on the winding drum; a center shaft of the winding drum is wound with a left pull rope and a right pull rope; the left pull rope and the right pull rope are connected with a driving mechanism correspondingly; and the driving mechanism comprises a stepping device which is arranged on the ground in front of thecan body and adjacent to th