Electronic Journal of Differential Equations, Vol. 2006(2006), No. 148, pp. 1-7. Title: Dirichlet problem for a second order singular differential equation Author: Wenshu Zhou (Jilin Univ., Changchun, China) Abstract: This article concerns the existence of positive solutions to the Dirichlet problem for a second order singular differential equation. To prove existence, we use the classical method of elliptic regularization. Submitted July 31, 2006. Published December 5, 2006. Math Subject Classifications: 34B15. Key Words: Singular differential equation; positive solution; existence.