Abstract: A child resistant bag includes: a front piece, a rear piece, a first zipper tape, a second zipper tape and a protective sheet; wherein both sides and a lower side of the first piece are respectively connected with the second piece; an up side of the first piece and an up side of the rear piece are both opened; the first zipper tape is provided on an internal face on the up side of the front piece; wherein an entire surface of a single face of the first zipper tape is integrally adhered and connected with the front piece; the second zipper tape is provided on an internal face on the up side of the rear piece; wherein the second zipper tape is adhered and connected into one body with the rear piece only by a low side portion.