Automatic detecting method and automatic detecting system of networking physical connection status

The invention discloses an automatic detecting method and an automatic detecting system of networking physical connection status. The method comprises the steps that a main battery backup unit (BBU) or a spare BBU sends main BBU verification identification or spare BBU verification identification to the spare BBU or the main BBU through a remote radio unit (RRU) of each level and sends RRU verification identification to the RRU of each level; the RRU of each level and the main BBU or the spare BBU analyze detecting information to obtain verification identification of the RRU and the main BBU or the spare BBU; and the RRU of each level and the main BBU or the spare BBU compare the verification identification of the RRU of each level and the main BBU or the spare BBU with fixed identification stored by the RRU of each level and the main BBU or the spare BBU to obtain detecting results, and send warning messages to a base station control unit according to the detecting results. Through the method of comparing th