Is a family affected by cancer, all members may be influenced by it. If the father or the mother is suffering from the illness, the spouse’s whole attention is focused on him or her. As a consequence, the children are pushed into the background. Nonetheless, they still worry about their parent’s health. They are left alone with their fantasies and thoughts and often parents neither know how to handle this kind of situation nor how to talk about their cancer. For that reason the focus of this paper lays on children’s emotions, burdens and wishes when their parent is affected by cancer. Thus, an explanation as to how to talk in an age-appropriate manner about the topic of cancer and death will be provided. Furthermore, the relevance the nursing care quality in this situation will be outlined.