The invention belongs to the technical field of medical communication equipment and discloses a medical pension appointment inquiry control system and method and an information data processing terminal. A medical pension platform is connected through a 4G / WiFi mobile network. The system specifically comprises a registration module, a login module, an appointment module, a query module, a display module, a power key module, an up and down key module. According to the system, the method and the information data processing terminal, elderly or disabled patients and family members can convenientlyconsult and understand a medical care situation, a bed situation and a charging standard of a hospital or an old-age care institution before admission, carry out knowledge consultation on health knowledge, healthy eating, exercise and rehabilitation knowledge and the like, carry out appointment before the admission, and timely inquire a patient examination and treatment plan, a health checkup condition and hospitalization expenses or inquire an assessment report of the behavior of a pensioner, a health checkup report, a care condition, pension expenses and the like.