This invention related to a healthcare system comprises a healthcare device connecting to a server through a network. The healthcare device comprises a control unit, a display unit, a storing unit, an inputting interface and a data transmission unit. When inputting an identification code from the inputting interface, the control unit exams whether the identification code is valid or not. If the identification code is valid, the display unit displays healthcare items waiting for users inputtings. The user may input healthcare data from the inputting interface, for example the meal information or other measurement results. The user may also select inputting healthcare data from the data transmission interface, for example from a manometer or a blood glucose meter. The healthcare data and identification code are correspondingly saved in the storing unit or the server. Application platforms may access the server according to the selected identification code for reading the related healthcare data.
