Voice input error correction method and system

The invention relates to a voice input error correction method and system. The method includes converting an input voice into an identification text and an identification network; generating a lexical network according to the identification network; acquiring contents waiting to be corrected in the identification text; acquiring a modification-alternative replacement or rerecording instruction; if it is a modification-alternative replacement instruction, then generating a modification alternative corresponding to the contents waiting to be corrected according to the lexical network and selecting correct contents from the modification alternative to replace the contents waiting to be corrected; and if it is a rerecording instruction, then reacquiring a voice corresponding to the contents waiting to be corrected and correcting the contents waiting to be corrected. In the voice input error correction method and system, the modification alternative can be provided to modify error parts of the identification text and the error parts of the identification text can also be modified through rerecording part of the voice.