Diagnostic and treatment methods rely on evaluations by sight, sound / scent, questioning and taking the pulse. Sight is simply modern medicine's visual diagnosis. The doctor visually examines the patient's body as a whole as well as its various parts in order to gain an understanding of the patient's condition.
「要求中醫現代化，首先得從診斷的方式下手」，中國醫藥學院附設醫院副院長張永賢認為，傳統中醫講求「辨證論治」，診斷、辨證方式主要為望、聞、問、切四診。