Automatic falling alert method, terminal, and system using smartphone

PURPOSE: An automatic falling alert method using a smart phone , a terminal, and a system thereof are provided to greatly reduce expenses including terminal costs and communication costs using wireless telecommunication of a 400MHz band. CONSTITUTION: First to Nth elderly client terminals(1001-100N) sense falling/electric shock of an elderly client. A control center(102) manages falling/electric shock sensing messages by receiving the falling/electric shock sensing messages from the first to Nth elderly client terminals. Falling/electric shock sensing information from the falling/electric shock sensing messages is stored in a database(104) by the control of the control center. An administrator terminal(106) is connected to the database through the control center. An MS gateway(108) and a communication company system(110) transmit a SMS message to one of a first to Mth Smart phones according to the request of the control center.