NOVELTY - Preparing a counter electrode for dyesensitized solar cell (DSSC), comprises: (a) preparing substrate A including the first substrate which has high temperature resistance and is not deformed at the temperature of 500 degrees C or less, a porous membrane including a carbon-based material and platinum nanoparticles, an adhesive layer, and the second substrate; and (b) preparing substrate B including the second substrate, and the adhesive layer and the porous membrane formed on the second substrate.    USE - The method is useful for preparing a counter electrode for DSSC.    ADVANTAGE - The method is capable of preparing the counter electrode with improved photoelectric efficiency in a simple and cost-effective manner.    DETAILED DESCRIPTION - Preparing a counter electrode for dyesensitized solar cell (DSSC), comprises: (a) preparing substrate A including the first substrate which has high temperature resistance and is not deformed at the temperature of 500 degrees C or less, a porous membrane including a carbon-based material and platinum nanoparticles, an adhesive layer, and the second substrate; and (b) preparing substrate B including the second substrate, and the adhesive layer and the porous membrane formed on the second substrate, by separating the first substrate having high temperature resistance from substrate A and transferring the porous membrane and the adhesive layer to the second substrate with a transfer method. INDEPENDENT CLAIMS are included for:    (1) a counter electrode for DSSC prepared by the method, comprising: the second substrate, the adhesive layer formed on one face of the second substrate, and the porous membrane including the carbon-based material and the platinum nanoparticles formed on the adhesive layer, where the second substrate is a metal substrate, a glass substrate, a plastic substrate, which is a flexible substrate, a fabric substrate, or a ceramic substrate; and    (2) a DSSC, including: the counter electrode, a photoelectrode arranged opposite to the counter electrode at a regular interval, and an electrolyte filling the space between the counter electrode and the photoelectrode.