The present invention provides an agent for treating wound, containing a substance that suppresses the expression or function of PDLIM2. The substance that suppresses the expression or function of PDLIM2 is preferably an siRNA or antisense nucleic acid capable of specifically suppressing the expression of PDLIM2, or an expression vector capable of expressing said polynucleotide. In addition, the present invention provides a method of screening for a substance capable of treating wounds, including determining whether or not a test substance is capable of suppressing the expression or function of PDLIM2.
