Christianity is one of the most widespread religions of today. The start of human literacy can be traced back to the fundamental book of Christianity, the Bible. It despicts numerous characters and events and a variety of motifs. Christian motifs were the starting point for authors of the most famous childen's fairy tales, those by Brothers Grimm, Oscar Wilde, Ivana Brlić-Mažuranić and many others. From an early age, children listen to stories about princesses and heroes who combat the evil of the world. Fairy tale as a form of children's literature is especially appealing to preschool children as it tells a story of good triumphing over evil. Precisely, this is the chief Christian motif in fairy tales. Reading diverse written texts is of immense imporance for a child's development, especially in today’s world of technology. The fairy tale contains both the moral and Christian dimension of upbringing, teaching a child about the world in which it finds itself through play and written text. This paper discusses children's literature, Christian motifs, in the book Croatian Tales of Long Ago by Ivana Brlić Mažuranić, the educational aspect of fairy tales and Christian motifs in the fairy tales Snow White, the Nightingale and the Rose and the Giant Cavalry, Little shepherd, A true shepherd and A fairy is a fairy which are analysed based on the fundamental book of Christianity – the Bible.