Abstract: The present disclosure discloses a cutting structure and a sewing process for back wearing protective clothing. An eye gap is formed in the top of a cap cutting piece. An upper neck interface is formed in the bottom of the cap cutting piece. Cap top seams which are in left-right symmetry are formed in the two sides of the eye gap. Cap openings are formed in the two sides of the lower part of the cap cutting piece. An upper right sleeve seam is formed in the upper end of one side of an upper section cutting piece. A lower right sleeve seam is formed in the lower end of one side of the upper section cutting piece. An upper left sleeve seam is formed in the upper end of the other side of the upper section cutting piece. A lower left sleeve seam is formed in the lower end of the other side of the upper section cutting piece.