Nowadays there are still more and more children from divorced family. Divorce influences not only children's mental state but also socialization. Children's relationshiops are based on interactions with their parents. That is why this diploma thesis deals with attachment of children of divorced family. The theoretical part describes theory of attachment. There are terms as attachment, inner working models and types of behaviour influenced by attachment. Following this information there is despription of affective development and socialization from prenatal period to adolescence. Next chapter is about family and its history. There is also description of its function and types of nuclear family. Chapter about divorced family describes influence on children and setting after divorce.