A mold release treatment method of the present invention includes: the step of providing a mold releasing agent and a mold (100) which has a porous alumina layer (14) over its surface, the mold releasing agent containing a fluoric compound which has mold releasability and a solvent; the step of applying over the surface of the mold (100) a solvent that is capable of dissolving the fluoric compound; and thereafter, the step of applying the mold releasing agent over the surface of the mold (100) according to a spray coating method. According to the present invention, a mold release treatment can be performed over a surface of the mold which has the porous alumina layer (14) over its surface, without causing uneven application.
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