The invention relates to a method and a system for searching an advertising strategy in an IPTV system. The searching method is used for searching the advertising strategy in the IPTV system; the IPTV system comprises an advertising strategy index module; the advertising strategy index module comprises a calculation index module, a search strategy module and a merge strategy module; the calculation index module converts an advertising request into a plurality of indexes; the search strategy module obtains an advertising strategy set needing to be quoted by using the indexes, and feeds the advertising strategy set back to the merge strategy module; the merge strategy module processes the advertising strategy set; and the IPTV system performs advertising according to the processing result of the merge strategy module. The method and the system for searching the strategy in the embodiment of the invention can rapidly adapt to the increase of strategy conditions, and reduces the workload of development and maintenance of the strategy index module under the condition of not greatly changing a service pattern.