Gas pipeline leaking stoppage device

The utility model discloses a gas pipeline leaking stoppage device which comprises a fixing hoop sleeve and a glue injection pipe, a wooden plug is arranged at the gas leakage position of a gas pipeline, the fixing hoop sleeve comprises two clamping pieces, the two clamping pieces are of an arc-shaped structure and used for clamping the gas pipeline together, and connecting plates are formed at the left end and the right end of each clamping piece respectively. According to the leaking stoppage device, firstly, a wooden plug is arranged to preliminarily block the gas leakage position of the gas pipeline, then a fixing hoop sleeve is arranged to be matched with a sealing gasket to further seal the pipeline, a glue injection pipe and a groove are arranged, and the wooden plug is fixed through the groove to prevent the situation that the gas leakage position of the gas pipeline leaks gas due to movement of the wooden plug; and glue injection is conducted on the sealing position of the gas pipeline in cooperation