Medical services informationalization is the trend of international development. With the rapid development of information technology, more and more hospitals accelerate the implementation on overall construction based on the information platform in order to improve the hospital services. The development of mobile web provides a new service mode and development direction for medical industry. Android is an open source mobile phone operating system based on Linux platform. It has occupied an important position in the field of mobile web for its open and convenient development mode. Here we present a doctor-patient interaction system based on Android. Its excellent performance on mobile terminals makes it possible that patients are able to access the hospital server to obtain the necessary suggestion about the symptoms and interact with the doctors on their own mobile terminals, while doctors can track patients whenever and wherever possible or make a diagnosis of alert depends on the monitoring data from the hardware of mobile terminals.