The invention provides a kitchen garbage can for a hook arm truck, and belongs to the technical field of environmental sanitation equipment. The kitchen garbage can comprises a compression scraping plate and a supporting frame, wherein a box body with a containing cavity is connected to the supporting frame, a lifting driver is hinged to the supporting frame behind the box body, the end part extending outwards from the lifting driver is hinged to the box body, a fixing part extending upwards is arranged at the rear part of the supporting frame, an upward opening is formed in the box body, thefixing part extending upwards is arranged on the rear part of the supporting frame, and the box body is hinged to the fixing part; a fixing frame is arranged on the upper side of the box body, a firstscraping plate driver is hinged to the fixing frame, a telescopic rod which extends backwards and can do reciprocating linear movement is connected to the first scraping plate driver, a connecting rod is arranged on one side, opposite to the fixing frame, of the compression scraping plate, the telescopic rod is hinged to the upper part of the connecting rod, and the connecting rod is hinged to one side, facing backwards, of the fixing frame; and one side, opposite to the box body, of the compression scraping plate can be attached to an inner wall of the box body, and the compression scrapingplate can cover the opening. According to the kitchen garbage can, garbage can not be accumulated at the opening of the box body.