Method for conducting data safe sharing among multiple users

The invention belongs to the field of information safety and relates to a method for conducting data safe sharing among multiple users. By means of the method, data issued to different users can be shared through single inaccurate data, the shared data are obtained through mapping of accurate data and all levels of passwords, the users obtaining different passwords can obtain data in different quality so that the error range of the data can be controlled to different degrees, and the more the obtained passwords are, the higher precision data can be obtained. Thus, the frequency of information sending can be reduced, and different users can obtain the data as needed.