Abstract: The present invention relates to a hot moxibustion unit provided with a heater which generates heat upon application of an electric current, the hot moxibustion unit comprising a heater (2) which generates heat upon application of an electric current, and a thermal mat (4) which is composed of a heat storage medium (3) which accumulates heat when heated by the heater (2) and a storage bag (8) which holds the heat storage medium (3), wherein the heater (2) is formed by attaching a flexible planar heating element (1) to a substrate sheet (6). This hot moxibustion unit closely fits a human body and provides increased comfort for the user.