Patent ID: 8355699

Claim:
A method of preventing data of a mobile phone from being stolen, comprising: using the mobile phone capable of storing a plurality of personal data, and defining a plurality of confidentiality levels according to the level of importance of the personal data by a control program unit installed in the mobile phone, and also defining a corresponding instruction code for each of the confidentiality levels; saving the personal data into a memory unit in the mobile phone when the personal data are entered, and adding the confidentiality level to each of the personal data by the control program unit; actively comparing and determining whether a short message contains the instruction code by the control program unit, after completing saving the personal data, and a short message through the control program unit; and reading the confidentiality level corresponding to the instruction code by the control program unit, if the control program unit compares and determines the short message contains the instruction code, and updating all of personal data of the confidentiality level.