根據Association of Child Life Professionals ,兒童醫療輔導師是受過訓練的專業人士，擅於幫助兒童和他們的家庭度過生命中的難關。
兒童醫療輔導師了解兒童成長發展和家庭動力，他們透過遊戲、預習、教育和自我表達的活動，促進兒童的抗逆能力。他們為家庭提供情感支援，當兒童面對著多方面挑戰，尤其是面 對醫療或入院的情況時，仍然能愉快地成長。由於兒童醫療輔導師明白家庭的支持對於兒童 心理健康很重要，他們會為家長、兄弟姊妹和其他家庭成員提供資訊、支援和引導。他們也會教育照顧者、行政人員和普羅大眾，讓他們更加認識兒童在壓力下有什麼特別需要。
According to the Association of Child Life Professionals,
Child life specialists are trained professionals with expertise in helping children and their families overcome life’s most challenging events.
Armed with a strong background in child development and family systems, child life specialists promote effective coping through play, preparation, education, and self-expression activities. They provide emotional support for families, and encourage optimum development of children facing a broad range of challenging experiences, particularly those related to healthcare and hospitalization. Because they understand that a child’s wellbeing depends on the support of the family, child life specialists provide information, support and guidance to parents, siblings, and other family members. They also play a vital role in educating caregivers, administrators, and the general public about the needs of children under stress.