The invention discloses a hospital ward management system based on a heterogeneous network. The system is formed by a nurse station host machine, a ward extension set, a sickbed extension set, a toilet extension set, a portable medical treatment monitoring system, a nurse station electronic information board, a passage digital screen, a handheld mobile terminal and the like through a wired and wireless mixed heterogeneous communication network. According to the system disclosed by the invention, the hospital ward digital management functions such as endemic area information management, doctor-patient linkage, physiological information collection and monitoring, automatic alarm and personnel positioning are realized through advanced network communication, a database, intelligent control, data management, information safety and embedded technology, the working quality and the working efficiency of health care workers are effectively improved, the working strength is reduced, resource allocation is reasonably optimized, an instant communication platform for doctors and patients is established, and the system is conductive to the psychological recovery of patients so as to enable the patients to participate in a treatment process actively, which helps health recovery.