Flexible circuit board with linear notch

The utility model discloses a flexible circuit board with a linear notch. The flexible circuit board comprises a circuit board, a pure glue layer and a release film layer. The circuit board comprises a base material layer, a covering film layer a and a covering film layer b, the covering film layer a is attached to the upper surface of the base material layer, the covering film layer b is attached to the lower surface of the base material layer, and transverse notches are formed in the same vertical plane of the covering film layer a, the base material layer and the covering film layer b. A pure adhesive layer is attached to the covering film layer a, and a release film layer is attached to the upper surface of the pure adhesive layer. According to the flexible circuit board, residual gas and liquid medicine under the cover film can be discharged conveniently, auxiliary materials are attached to the whole surface of the surface of the flexible circuit board, operation efficiency is improved, and product quali