AATA（美國藝術治療協會）：

『藝術治療是一種心理健康專業。運用藝術創作歷程，協助各年齡層的人增進生理、心理、及情緒健康。藝術治療的基本信念認為創作歷程涉及藝術性的自我表達，將能幫助人們解決衝突和問題，發展人際技能、行為、減低焦慮；增進自信、自我覺察及達到頓悟。』

"Art therapy is a mental health profession that uses the creative process of art making to improve and enhance the physical, mental and emotional well-being of individuals of all ages. It is based on the belief that the creative process involved in artistic self-expression helps people to resolve conflicts and problems, develop interpersonal skills, manage behavior, reduce stress, increase self-esteem and self-awareness, and achieve insight."