The utility model relates to jig technical field and disclose a kind of turnover auxiliary jig, including base, whole suction disc and cover plate, whole suction disc is equipped with cavity, cavity has multiple installation grooves, and first positioning slot is provided between adjacent two installation grooves;First avoiding hole is opened in base, first supporting column is provided between adjacent two first avoiding holes, and the inside of first avoiding hole is provided with support block;Second avoiding hole is opened in cover plate, the inside of second avoiding hole is provided with pressure block, base is inverted and is clamped on whole suction disc, whole suction disc is taken away after the integral turnover of both, product in whole suction disc is correspondingly dropped into the first avoiding hole of base, product is always controlled in jig cavity in turnover, solve the problem that traditional turnover leads to collision piece, fall, otherwise, product on base can also be transferred to whole suction disc by turnover;And product is fixed by placing cover plate on base, facilitate subsequent operation.