"Due to hospital scale expansion and gradually building causes coexistence of old and new buildings. When the patients move in the hospital, they often get lost in the white maze. CIDT uses BLE Beacon positioning, combines with medical process optimization. Let the patient use the phone to know the medical process and location fully and no longer lost in the hospital. Successful medical indoor navigation service is able to match the medical service process. Just turn on the phone which would tell the patient and wherever you are, where is it now? What's next? And how to get there? And, CIDT is a national company which provides medical indoor navigation services for hospitals. When patients reach hospital, the solution would make patients to know their own medical process without confusion at any time. Also, It will not let patients feel anxiety and tension and improve the quality of medical services effectively. It is well known that both patients and visitors are under high emotional pressure. CIDT’s solutions help patients and visitors immediately when they enter the entrance of the hospital, it began to guide their way to the destination, so that visitors simply find the way quickly. It would reduce the pressure of loss and achieve a truly patient- centered service. (1) seamless navigation From the door to the clinic, laboratory, outpatient pharmacy ⋯ such as medical destination, and can automatically determine the floor with select manually. Also, Value added design combined with google map, so that outdoor navigation seamlessly linked to the indoor navigation. (2) Positioning accuracy within 2 m It may be the most accurate to 60 cm, but it is precisely limited by the BLE Beacon deployment density which related cost input. But after implementation, the 2 m accuracy for indoor navigation is acceptable range of distance. (3) Integrate the medical system It combined with the hospital's HIS system and clearly inform the people that medical treatment of the next ste