A foster family is a family which temporarily or permanently is looking after and is raising children which parents have limited or hung parental responsibility. It is also happening, that children of which parents were deprived are staying in a foster family of parental responsibility. Foster families are taking the special place in the care system compensating. It is one of the oldest and most popular forms of the family foster care of children. To remember also it is necessary, that the full child development can take place only in the relation of the attachment to parents or persons serving parental role. In the article presented legal new solutions since 1 January 2012.