To provide a lighter which does not require fuel, such as gas or oil, can light to be lighted without giving out sparks under strong wind and can be minitualized.

A friction lighter is provided with a pair of friction lighting members comprising an inner friction member comprising a lighter case main body, a manual operation part and a friction lighting part. The operation member is elastically arranged inside the case main body loaded by a loading spring, provided with mechanical movement transforming structure comprising a rack of an operation member leg part, a change gear having a pinion engaging the rack and a rotating gear engaging the change gear, fixed with a rotating gear as a unit and loaded adjustably by a pressure spring, and an outside heat generating member fixed to the case main body and touching the inner slide friction member in a slidable form.