Portable fixed double-purpose ultrathin glass breaking device

The invention discloses a portable fixed double-purpose ultrathin glass breaking device. The glass breaking device comprises a stress plate, a glass breaking cone, a limiting plate, connecting pads, a mucilage glue layer and a mucilage glue layer protection film. The lower end face of the stress plate and the upper end face of the limiting plate are fixedly connected through the connecting pads, and a gap is reserved between the lower end face of the stress plate and the upper end face of the limiting plate; the gap serves as a stroke space of the glass breaking cone, the total thickness of the stress plate, the limiting plate and the gap between the stress plate and the limiting plate is not larger than 2 cm, the limiting plate is provided with a through hole, and the diameter of the through hole is equal to the diameter of the glass breaking cone; the top end of the glass breaking cone is fixed to the lower end face of the stress plate, and the lower portion of the glass breaking cone is inserted into the t