Abstract
We must plan measures and promotion of medical security recently while the news of a medical accident about a prescription mention error occurs successively. Development of a prescription making support system of a prescription order ring system is expected to obey proper use of medical supplies. A pharmacist treating a high-risk medicine performs patient safety measures by a prescription check. The prescription order ring system brought rationality for making of prescription. However, there is a prescription order term as a term of the handwriting times. This study is based on data of a prescription order term and doubt inquiry of prescription to relate to data of comment input freely, and it is analysis of a prescription order term.