The invention discloses a self-service selling method and a self-service selling
system. The method comprises the steps of after successful
user authentication, opening a selling window by a selling device; when the selling device detects closing of the selling window, performing photographing for obtaining an image of a current commodity through a camera, measuring the weight of the current commodity through a weight sensor, identifying the commodity in the photographed image, determining the weight of the commodity in the image according to pre-stored weight information which corresponds with the identified commodity, determining whether the weight which is measured by the weight sensor is same with the weight of the commodity in the image through comparison, and if yes, performing comparison between the weight which is measured by the weight sensor and the weight of the commodity before opening of the selling window, thereby determining the commodity which is purchased by a user at this time; requesting for electronic buying
list of the commodity at this time from a cloud service platform, and reminding the user of
payment according to the electronic buying
list. Therefore the self-service selling method and the self-service selling
system realize advantages of more accurately identifying the commodity which is purchased by the user, improving
purchasing convenience, and improving
purchasing experience.