The invention belongs to the technical field of intelligent homes, and specifically discloses an information transmission system of a water meter, an ammeter and a heat meter of an intelligent home. The system comprises the water meter, the ammeter and the heat meter, wherein the output end of a data acquiring module is electrically connected to the input end of a Zigbee coordinator; the output end of the Zigbee coordinator is electrically connected to the input end of a data concentrator; the output end of the data concentrator is electrically connected to the input end of a GPRS network; theoutput end of the GPRS network is electrically connected to the input end of the Internet; the output end of the Internet is electrically connected to the input end of a remote management center; theoutput end of the remote management center is electrically connected to the input end of a database. The system is capable of acquiring and processing data of the water meter, the ammeter and the heat meter efficiently; the data transmission is accurate and reliable; the interference resisting capacity is high; the data query and control of the water meter, the ammeter and the heat meter can be monitored in real time; in addition, the system is low in cost and power consumption, and high in network capacity.