Garbage can capable of conveniently replacing garbage bags

The invention discloses a garbage can capable of conveniently replacing garbage bags. The garbage can comprises a can body and a can cover, and is characterized in that a separation plate is arrangedin the can body, so that the interior of the can body is divided into a garbage collection chamber and a garbage bag storage chamber, and the garbage bag storage chamber is located below the garbage collection chamber; a bag pulling hole is formed in the partition plate, a roller used for enable the rubbish bags to be wound is arranged in the garbage bag storage chamber, and a roller brake mechanism is arranged at the bottom of the can body; and hooks are fixedly arranged on the outer wall of the upper end of the can body, the can cover is buckled at the upper end of the can body, and fans arefixedly arranged in the can cover, air outlets are formed in the lower end surface of the can cover, the air outlets are located above the garbage collection chamber, and a delay power-off control system is arranged in the ca