The utility model discloses a GSM mobile telephone alarm controller. The GSM mobile telephone alarm controller is provided with a plurality of collection devices for alarm signals, a control circuit of a single chip computer, an input interface circuit for alarm signals and a power circuit. The collection devices for alarm signals are connected with a port line of the single chip computer through the input interface circuit for alarm signals, wherein, the port line of the single chip computer is connected with a data input and output port of a GSM sending/receiving device which sends the alarm signals to a control center in a GSM short message mode. Various alarm messages can be collected. Alarm and positioning signals are transmitted to the control center through a GSM mobile telephone public network in the GSM short message mode. An alarm network crime prevention system with low cost and wide range can be realized.