Automatic sorting system in general by the control device, the classification system, transportation system and sorting crossing components. Is to identify the role of the control apparatus, receiving and processing sorting signal, a signal indicating the request sorting sorting apparatus, according to types of products, place of delivery of goods by the owner or by automatic classification categories of commodities. These requirements can be sorted by different ways, such as by scanning a bar code, color code scanner, keyboard input, the weight detection, voice recognition, detection and shape recognition height, etc., is input to the control system to sort according to the sorting of these Signal judgment to decide which one of a commodity that sort crossing to enter. Role of classification is based on the sorting apparatus control means issues the indication, when the commodity having the same sorting signal through the apparatus, the apparatus operated to change the direction of the conveying device to enter into the sorting conveyor or other crossing. Many types of classification devices, generally launch ceremony, floating type, tilt and branch type several different devices for sorting goods packaging materials, packaging weight, packaging, smooth underside, which are not exactly the same degree requirements .