The invention discloses a broadcast television monitoring method. The method comprises the following steps: Step 1, a management server and management terminals arranged on broadcast television network links are provided; Step 2, filtering parameters are set and sent to the management terminals through the management server, wherein the filtering parameters are content keywords; Step 3, data streams on each link are acquired through the corresponding management terminal, and the corresponding management terminal carries out filtering of the data streams through the filtering parameters, cuts off the data streams satisfying the filtering parameters, intercepts a section of contents of each data stream satisfying the filtering parameters, acquires a source of each data stream satisfying the filtering parameters, and sends each source and part of the contents to the management server; and Step 4, the management server carries out discrimination of the part of the contents, and if the part of the contents are determined to be contents that need to be filtered out according to judgments, the corresponding source is recorded and removed from receiving sources of the corresponding link. The method provided by the invention has the advantage that a broadcast television network can be effectively supervised.