PURPOSE: To prevent a sticking phenomenon, to smoothly perform the movement of a thermal head or paper feed and to eliminate the generation of feed inferiority, by providing a coloring material layer to the single surface of a base film substrate while providing a heat resistant protective layer composed of an inorg. material to the other surface thereof.

CONSTITUTION: A thermal transfer body 4 is formed by providing a coloring material layer 3 to the single surface of a base film substrate 1 and further providing a heat resistant protective layer 3 composed of an inorg. material to the other surface thereof and said protective layer 3 is formed by applying the inorg. material, which is better than the substrate in characteristics such as heat resistance, scratch resistance (hardness), the close adhesiveness with the substrate, conductivity, slidability and heat conductivity etc. As the inorg. material, one or more kind of ZnS, TiO, SiO, SiO2, Al2O3, ZrO2 or MgO is pref. and the thickness of the protective layer is pref. 0.01W10μm, more pref., about 0.1W1μm. When the thickness of the protective layer does not reach 0.01μm, a continuous film is not formed and the desired effect is not obtained.