The invention discloses an automatic object transportation system based on community cloud service. The system comprises a community conveying device, a residential building conveying device, a cloudservice platform and a central processing unit; the community conveying device comprises an express delivery area, a magnetic sticker, a RFID electronic label, a separated conveying channel, a separated conveying mechanism and a separated pushing mechanism; the express delivery area comprises a delivery channel, a RFID reader, an electric slide rail, a placing platform and a rotary opening/closingdoor body; the residential building conveying device comprises an ascending conveying mechanism, an ascending channel, an electric pulley set, a magnetic sucker, an user pushing mechanism, an user channel, an user conveying mechanism and a feed port; the ascending conveying mechanism comprises a lifting rail, a hydraulic shell and a silica gel butting plate; the central processing unit comprisesa wireless module, a digital transfer module and an information processing module; and users can fill community addresses as receiver addresses, so that the automatic object transportation system transports objects into user houses or residential building placing bins.