Gas alarm with wireless ad hoc network functions

The invention relates to a gas alarm with wireless ad hoc network functions, comprising a microcontroller, wherein the microcontroller is connected with a wireless communication module so as to be in wireless communication with a wireless receiver. The gas alarm with wireless ad hoc network functions provided by the invention realizes networking and unattended operation in a residential area by adding the wireless module on the gas alarm. The gas alarm provided by the invention is capable of performing wireless communication with the wireless receiver and capable of automatically forming the network in the residential area so as to be quite convenient for use. Once a user in the residential area gives out a gas leakage alarm, the residential area operator on duty can know which building and which unit the alarm comes from, and also can perform quick corresponding treatment.