Besides brief description of its overall designing thoughts,main character and m ain functions of the model for full text to be loaded into database and indexed and searched,the three indexing patterns suiting the needs of indexing and estab lishing database in its different stages are made a focus on this paper. For the first time the auther put forward the a utomatic weighted indexing pattern,which is mainly based on the indexing result and the post-controlling result studied
automatically to bring abot the vocabulary for extract ion indexing acumulated and perfected automatically. Meanwhile, the other important problems, including the compu ter-aided abstract ing and the automatic forming post-controlled retrieval strategy and so on, are expounded briefly too.