The invention discloses a high order temperature supplementary band gap reference circuit, comprising a band gap reference main circuit, a feedback control loop and an output circuit, wherein the band gap reference main circuit consists of six PMOS tubes, two NMOS tubes, three resistances and two PNP triodes, the feedback control loop consists of two PMOS tubes, two NMOS tubes and two PNP triodes, and the output circuit consists of two PMOS tubes and four resistances. The circuit of the invention has lower temperature coefficient, higher power supply rejection rate as well as higher process stability.