The invention discloses a full-feeding peanut high-and-low position parabolic sorting method. According to the full-feeding peanut high-and-low position parabolic sorting method, a high-and-low position vibration mode, a rolling conveying sorting mode and a parabolic winnowing mode are adopted. The full-feeding peanut high-and-low position parabolic sorting method specifically comprises the steps that (1) high position vibration conveying sorting is carried out; (2) horizontal rolling sorting is carried out; (3) slope rolling sorting is carried out; (4) parabolic winnowing is carried out; (5) low position vibration sorting is carried out. According to the full-feeding peanut high-and-low position parabolic sorting method, a high-and-low position vibrating screen and a high-and-low position roller screen are used in cooperation, multi-level sorting of peanuts with impurities is achieved, more importantly, the falling space and the falling time of the peanuts are increased in the process of parabolic winnowing, the winnowing effect is greatly improved, and finally, sorting efficiency is remarkably improved.