Herbs are suited to holistic treatment because they act upon functions and processes in the body, not upon isolated molecular lesions. We need, therefore, to learn to take the case history from the holistic standpoint. The basic path has been known since Nicholas Culpeper wrote A Key to Galen?s Method of Physic (1652). In this class we will look at how to establish (1), the energetic, (2) the process, function, system, organ, or tissue involved and (3) type of action needed and also note the constitution.