To provide a ventilator for respiration which is long durable for a long time and economical or achieves a modest mounting.

This ventilator A for respiration which is mounted in a respiration hole linked to a trachea formed in a throat comprises a flexible substrate 10 having a hole formed therein communicating with the respiration hole to be stuck on the skin of the throat, a base cylinder 12 which has a hole formed so as to communicate with the hole to be fixed on the surface of the substrate 10 and a cap 14 which is loaded with a breathing filter 26 to be detachably fitted into the base cylinder 12.