Inclusion Criteria:  Being a parent (mother or father) of a child with a hematology/oncological diagnosis At least 3 months have passed since the child was diagnosed Being a parent of a child undergoing chemotherapy Parent who were literate Parents who has Internet at home Parents who has computer or mobile phone Parents who no barriers to written or verbal communication Parents who agree to participate in the study  Exclusion Criteria:  Patients who do not agree to participate in the study, Internet not access in the home environment,