PURPOSE: To put a flash type heat-sensitive copying to practical use as a simple flash type heat-sensitive copying apparatus which can be used in the general home by performing a flash type heat-sensitive copying with a simple structure, high accuracy and high performance.

CONSTITUTION: A light exposure apparatus 10 with a light irradiation window part and a flash light source irradiating a flash light to the light irradiation window part and a plate-like bolder 50 wherein a manuscript and a heat- sensitive recording medium are laminated and held under a mutually heat- adhered condition and which has a light transmitting part on one of the plate face part and is mounted removably and movably in the transversely crossing direction to the light irradiation window part on the light exposure apparatus under a condition where the light transmitting part is faced to the light irradiation window part, are provided. In addition, transfer-driving apparatus 30 and 86 transfer-driving relatively the holder 50 and the light exposure apparatus 10 in the transversely crossing direction to the light irradiation window part, are provided.