The invention discloses a centralized management terminal system in a wireless radio frequency home appliance client network, comprising an home appliance carrying a radio frequency electronic chip, a wireless radio frequency network, a handheld radio frequency read-write terminal, the INTERNET or a wide area network, and a central server. The handheld radio frequency read-write terminal is embedded into the following operation modules: a user system login module, an equipment information searching module, a market information registering module, a transaction history searching module, an inspection information searching module, a maintenance information registering module, an equipment information storage module, a data information synchronous module and an on-line data backup module. The centralized management terminal system of the invention is beneficial to carrying out centralized management to scattered equipment and has the advantages of low cost, being easy to fulfill, especially strong functions, etc.