The invention discloses a garbage cleaning method and a garbage cleaning device. The method comprises the following steps of acquiring an acquired image of the action of a human body; judging whetherthe action of the human body is a preset action or not according to the acquired image, wherein the preset action is the action of the human body to throw out an object; upon judging that the action of the human body is the preset action, predicting the falling point area of the object to be thrown out by the human body according to the action of the human body; controlling first electronic equipment to move to the point falling area, and clean the object to be thrown out by the human body. The method and the device solve the technical problem that conventional garbage cleaning methods in therelated art are not intelligent enough.