The present invention relates to novel 5-hydroxy pyridine-based compounds useful as P2X1 and P2X3 receptor antagonists and compositions comprising the same. The compounds according to the present invention have an activity of strongly antagonizing P2X1 and P2X3 receptors, and thus can be effectively used as a drug for treating or preventing chronic inflammatory diseases or neuropathic pain diseases caused by P2X1 and P2X3 receptor activity.