The present invention provides a medicinal agent and a method for each of various testing or the like, which enable the treatment and prevention, particularly preventive treatment, of Th3 march-related diseases. The present invention also provides a pharmaceutical composition for treating and/or preventing Th3 march-related diseases, which comprises zinc, calcium and phosphorus and additionally comprises pumpkin seeds and corn silk, and which preferably can activate the DNA repairing ability of a zinc finger, particularly the ability of repairing defect or mutation of DNA for a filaggrin gene, of a zinc finger.
