The forest resources data-updating is one of the important components in forest resources dynamic monitoring. This study mainly described a forest resources data updating system which is Technically supported by GIS, GPS, RFID, 3G. In this system, the mobile Internet and the wireless sensor network were used as transmission medium with an information-sign and communicator has been designed to collect, transmit, update subcompartment data in complex communication conditions. Taking Guangzhou city as an example to carry on the system app...