The invention discloses a turnover top preparing complete machine. The turnover top preparing complete machine includes a rack and a top preparing structure which is arranged on the rack; the top preparing structure includes fix bottom plates which are sequentially connected end to end to form an orthohexagonal rotation disc; the top preparing structure further includes a main drive motor, and a power output end of the main drive motor is connected with the bottom side of the rotation disc to drive the rotation disc to rotate. Through the structure of the turnover top preparing complete machine, a simple and efficient top production plan is achieved, handwork is replaced by machinery, and the production efficiency is improved.