Provided is a heating-type flavor inhaler in which heat generated when a flavor-generating source is electrically heated with a heater is not easily retained inside a casing. The heating-type flavor inhaler is provided with: a casing having an intake opening and the overall shape forming a tube； a flavor-generating source provided inside the casing； and a heater for electrically heating the flavor-generating source, the heater being provided inside the casing. A metal concavo-convex pattern for promoting heat dissipation is provided on the external peripheral surface of the casing in a position in which at least the heater is disposed.
