“Oketsu” is an important concept in the diagnosis and therapy of Oriental Medicine. In this paper, we analysed “Oketsu” from the standpoint of Chinese Medical Prescriptions by using pattern analysis techniques. Intra-relation of 9 Chinese Prescription needed over 2 dimensions using M-D-SCAL. This indicates that if only 1 dimension is used, some information on patients may be missed. Use of only one dimension for “Oketsu” may not be suitable. Nature and taste of herb are plotted on the configuration of herbs obtained by quantificalion of the third kind. And, using nature of herbs, almost same configuration was obtained as that using herbs individualy. This indicates, taste and nature were used in the compounding of herbs into Chinese Medical Prescriptions.