The invention discloses a method and a device for processing business to solve the problem that the input information of users is inaccurate, thereby the successful rate of the business operation is low due to the inaccurate input information in the prior art. The method comprises the following steps: receiving information transmitted by a user end, extracting a keyword in the information, transmitting the keyword into a Chinese phonetic alphabet character string, searching the alphabetic character string which is corresponding to the Chinese phonetic alphabet character string according to the preset corresponding relation between the Chinese phonetic alphabet character string and the alphabetic character string, during the searching, replacing the keyword in the information by the searched alphabetic character string, and carrying out the business operation according to the information which is processed through replacing the keyword. Adopting the technical proposal of the invention, information which lacks standardization or has mistakes in spelling output by users is corrected into right and standard information, and then carrying out the service, such as relative searching, the information logging in or the business customizing and the like according to the corrected information, thereby the method of the invention can improve the success rate and the accuracy of the matching of the keyword during processing the business.