Ostar Meditech Corporation researches and develops heart of frequency spectrum monitoring technology with the world invention patent. It can measure and inspect the affiliation by general blood pressure to obtain the important information of the systolic pressure, the diastolic pressure, the pulse, and so on. Simultaneously, it can calculate the patient’s heart noise using digital signal processor to analyze the frequency of heart zone, the valve zone, and cardiovascular zone. The user can stay at home to observe the change of heart frequency in order to obtain health dominant management.