This paper studies the key problems of Uyghur、Kazak、Kyrgyz full-text search engine indexer server and proposes a series of effective solutions

including the structure of inverted indexer applied in Uyghur、Kazak、Kyrgyz full-text search engine

the retrieval algorithm

the update strategy of inverted table and the Replacement of Low-frequency words.Experimental results indicate that the solutions satisfy the Language characteristics of Uyghur、Kazak、Kyrgyz and obviously improve the index effciency and the quality of search of Uyghur、Kazak、Kyrgyz.