The invention discloses an automatically assembled glass sheet circular transportation device which comprises a glass sheet assembling sub system and a circular transportation device. The glass sheetassembling sub system comprises a glass sheet and a glass sheet transportation unit, a glass sheet detection unit and a material magazine transfer assembly, wherein the glass sheet detection unit is connected to the glass sheet transportation mechanism; the circular transportation device comprises a first transfer piece which comprises a transfer piece and a storage piece, the storage piece comprises a second gear and a first gear, and the first gear and the second gear are engaged; and the material magazine transfer assembly comprises a pulling piece which is engaged to the first gear. The device can detect the front and back surfaces of the glass sheets through the glass sheet detection unit, and can adjust the detected glass sheets through a glass screening unit; then the glass sheets enter a working platform so as to enter the next assembling sub system for next assembly; a workstation of a device feeding a material is moved forward through a gear, and meanwhile, the material is transported to a vacant station moved out.