Molluscum contagiosum (M.C) is one of the nearly prevalent dermatologic disease of childhood are skin-colored papule which have a central umbilication, The main objective of this study, was looking for M.C in kindergardeners of Arak city.Results: The total prevalence of M.C in this study was 1.96%.There is no significant relation between sex and M.C Common involved age 2-3 years and no seen under the age of 1 year.The distribution of the lesions is more multiple and the most prevalent lesions in both sex are seen on the trunk and then neck and axillae.