Method capable of quickly reading out accumulated use time of flange and pipeline

The invention discloses a method capable of quickly reading out the accumulated use time of a flange and a pipeline. A chip and a signal source are embedded in a flange body. When the flange is mounted, the signal source is activated to send out signals, and the chip starts counting and stores the time after receiving the signals. When the accumulated use time of the flange and the pipeline needs to be known, a data reading device is used for scanning the flange, the stored time is sent to the data reading device through the flange, and the received time is displayed by the data reading device. The accumulated use time of the flange and the pipeline can be known quickly, the flange and the pipeline can be conveniently replaced by workers in time, and great losses caused by petroleum or natural gas leaking are avoided. In addition, operation is easy and convenient, the accumulated use time of the flange and the pipeline does not need to be recorded, and the workload of the workers is relieved.