Attachment is a lasting psychological connection between two or more people who have strong emotional ties and who try to maintain these relationships. Attachment is formed in the earliest part of childhood between primary caretaker and child. Based on their relationship, child can develop a secure and insecure attachment, or no attachment at all. Insecure styles of attachment can be divided into avoidant, ambivalent and disorganized style of attachment. The aim of this paper is to provide an overview of the development of attachment in children who grow up in children's homes. It can be concluded that children's homes are not the most appropriate form of care for the proper development of child attachment. Children who grow up in children's homes are separated from their parents, which results in the loss of attachment towards their parents. Children's homes cannot provide the child with a family environment, which is why the children who grow up in children's homes are more likely to develop an unsecure attachment. For the child to develop a secure attachment, it is essential to have an ongoing relationship with an adult, which is mostly impossible to achieve in children's homes because there are a lot of educators and they are frequently changed. That is why it is better for a child to be accommodated in a foster family, where it is more likely to develop a secure attachment.