The invention discloses an open type vegetable, melon and fruit intelligent vending machine. The vending machine comprises a goods shelf, a plurality of partition boards, a plurality of weighing sensors, a self-service weighing platform, a control circuit board and a server platform, wherein the goods shelf is arranged in an open mode and comprises a display board and a plurality of layers of supporting plates; the partition boards are arranged on the supporting plates and divide the supporting plates into a plurality of cells; the weighing sensors are arranged in the cells respectively; the self-service weighing platform is erected on the display board and provided with a display screen; the control circuit board is erected on the other side of the display board and provided with a built-in processor in communication connection with the self-service weighing platform; the server platform is in communication connection with the control circuit board, the weighing sensors are in communication connection with the server platform through the control circuit board, transmission of statistical information of goods in the cells is formed, and timely supplement of the shortage goods is achieved. The vending machine uses an open type goods selection, an intelligent unattended 24-hour vending mode, scattered retail places, a big data acquisition function of the mobile communication internet-of-things and a mobile cash-free payment means, so that a simple and convenient shopping experience is provided for consumers.