Based on the analysis of the current situation of family sickbed business, the paper puts forward the improvement ways of family sickbed diagnosis and treatment work through "Internet plus" method, introduces the design process of a kind of mobile patient visit information system, and states the network security solution plan. Practice proves that this method can achieve low operation cost and safe and stable transmission and interface, which can be regarded as the design reference and basis of mobile diagnosis and treatment system of family sickbed in domestic.