The invention discloses an information input method and device.According to a specific implementation mode, the information input method comprises the steps of obtaining the input information of a user and scene information for describing an information input scene, conducting retrieval operation on a word library according to the input information and the scene information, generating a candidate word set and displaying the candidate word set, wherein words in the word library include at least one of the words from a preset word library, recorded words input by the user, new words updated to the word library based on data analysis of the internet and words from a third-party data source.In the implementation mode, targeted candidate word set display is achieved.