The invention discloses an automatic rice husking, milling and vending all-in-one machine which comprises a rice lifter, a rice lifter motor, a rice bucket, a feeding bucket, a husking machine, a husk discharging pipe, a main motor, a stone-removing magnetic separator, a rice milling machine, a bran discharging pipe, a rice storage bin, a rice storage bin valve, a rice outgoing bin, a rice outgoing bin weighing sensor, a rice outgoing bin valve, a granary, a husk and bran bin, a control plate and an operation panel. The operation panel comprises a touch screen, a keyboard, an IC card reader, a coin collector and a receipt printer. A communication system is embedded in the automatic rice husking, milling and vending all-in-one machine, centralized and accurate management is realized on the basis of the Internet of Things, the all-in-one machine can be placed in communities, supermarkets, shopping malls and intersections, and customers can realize self-help purchasing and self-help fetching due to the fact that simple and convenient self-help operation is adopted. A centrifugal rice husking and double-weighing mode is adopted, so that thoroughness in husking can be guaranteed, accuracy is ensured, and cost is lowered. A temperature and humidity adjusting system and an insection prevention system are added, so that the customers can purchase fresh, pollution-free, healthy and nutrient rice which is husked and milled on site according to needs at any time, and the all-in-one machine has wide market prospect.