The invention is applicable to the field of intelligent trash cans, and in particular discloses an intelligent vehicle-mounted trash can which comprises a can body, a conveying module, a containing module, a power generation module and a power storage module, wherein the can body is mounted on a saloon car door through a clamping groove in the can body self and is used for holding garbage; the conveying module is mounted at the lower part of a saloon car chair; one end of the conveying module is detachably connected with the can body; the conveying module is used for conveying the containing module; the conveying module is mounted on the conveying module in a sliding manner; the containing module is used for containing garbage on hands of a passenger, and used for putting received garbage into the can body; the power generation module is mounted on the conveying module and is used for converting opening and closure action of the saloon car door into electric power. The intelligent vehicle-mounted trash can mainly aims to solve the inconvenience that a saloon car passenger throws garbage into a conventional trash can in a side wall inside a saloon car door, and the passenger can throw the garbage into the trash can very conveniently without getting up or leaning aside no matter where the passenger sits in any position of any row of seats of the saloon car.