The medical equipment market is very competitive in Taiwan, the equipment suppliers in response to the multiplex market changing, and to satisfy with the hospitals about demands of equipment and costs of control, we adopt the cooperative way, buildoperate- transfer (BOT) for specific equipment in some hospitals. ¡´The equipment suppliers may participate in the management of non-medical behavior to achieve mutual benefit and win-win situation with the hospital. ¡´ This study is case study research, according to the experiences of management over past several years I collect data from the objects of 6 BOT cases in each 6 hospital. By data classification and statistical analysis, found the characteristics and differences in each case that the equipment suppliers can proposed the more precise investment appraisal in the future. ¡´ This research found that medical equipment, the number of patients, examination items, the proportion between hospital and the equipment supplier, hospital¡¦s location, and the payment points from NHI are causing hospitals and equipment suppliers having a large gap between revenue and are affecting the survival of medical suppliers. ¡´ According to the results, in order to providing more accurate diagnosis to doctors and improving patient's medical quality, this study suggested that the hospitals and the equipment suppliers should develop a set of medical equipment about BOT investment appraisal system. To achieve the aspect that a three-way win for the patient, hospital and equipment supplier.