Abstract: Providing an accurate and effective exchange of information between the physician and the patient regarding the disease condition and the physician's instruction. A therapy management system includes a host computer on the side of a physician and a patient's computer. The host computer provides a recording device to record a physician's instruction and a memory device etc., and the patient's computer includes a receiving device to receive the physician's instruction, a display device, a notifying device, recording device and a memory device etc.