Cipher protection system and method

The invention discloses a password protection system, which comprises the following parts: an user boundary UI display unit, a saving unit with the password information and a comparison unit, whereinthe password protection system includes a mouse operation dealing modular for sensing the mouse operation information in the password input frame of the UI display unit, analyzing the operation information and getting and outputting the mouse press key type information, the comparison unit is used to compare the output information of the mouse operation dealing modular with the saving password information in the saving unit, if the same, the right password signal is outputted, or the wrong password signal is outputted. The invention discloses a password protection method. The invention simplifies the landing operation, which safeguards the safety of the user' s information.