A STRUCTURE OF AIR FLOW GUIDE, WHICH IS CHARACTERIZED BY COMPRISING A MAIN FRAME (10), WHEREIN AN OPENING CONFIGURED AT THE CENTER FRONT END AND IS EXTENDED BACKWARD FROM THE SAID OPENING TO FORM A GRADUALLY INCLINED GUIDE (13) WHICH THE BACK END IS CONFIGURED AS A CIRCULAR FITTING PART, AND AT LEAST ONE GEOMETRICAL STRUCTURE OF INNER INCLINED GUIDE WHICH IS SERIALLY SPACE-SEPARATED, CONSTRUCTED INSIDE THE INNER SPACE OF THE MAIN FRAME AND IS SECURED BY FIXING RODS WITH THE MAIN FRAME. THEREFORE, THE MAIN FRAME AND ITS CONNECTING STRUCTURE OF THE PRESENT INVENTION IS APPLICABLE TO INCORPORATE WITH THE AIR OUTLET OF THE EXISTING AIR BLOWING DEVICE TO GENERATE A MILD AND COMFORTABLE BREEZE VIA THE CONFIGURATION OF AT LEAST ONE INNER INCLINED GUIDE AND TO PERFORM INDOOR AIR REFRESHING WITH SOME AROMATIC ESSENCE OR PERFUME.