The invention discloses a semantic recognition method, and belongs to the field of intention recognition. The semantic recognition method comprises the following steps of: S1, constructing a morphemeknowledge base; S2, constructing a synonym library; S3, receiving a service conversation request of a customer and creating a customer service conversation of the customer; S4, analyzing content of the customer service conversation so as to obtain a word sequence which expresses a user service conversation and only comprises standard words; S5, judging missing morphemes in the word sequence whichonly comprises the standard words, and asking the customer to obtain a word sequence which has complete intention expression and only comprises the standard words; and S6, finding out a matched answerin the morpheme knowledge base according to the word sequence which has complete intention expression and only comprises the standard words, and pushing the answer to the customer. According to the method, missing morphemes in customer questions are judged, and completely expressed questions are obtained via a manner of asking customers, so that question intentions of the customers are correctlyrecognized and required answers are sent to the customers.