The invention provides an intelligent alarming system for a production line. According to the technical scheme, the intelligent alarming system for the production line comprises a voice acquirer, a sound sensor, a voiceprint identifier, a signal conditioner, a controller, an alarm, an emergency stopping unit and a display. Emergency call voices of a worker are collected through the voice acquirer, are identified through the voiceprint identifier, and enter the controller through the signal conditioner for use as identification reference voices; the worker can transmit a signal to the sound sensor by calling in case of a danger on the production line during the production operation, the sensor inputs the voice signal into the controller for comparison through the voiceprint identifier and the signal conditioner, the controller controls the emergency stopping unit to stop the production line and give an alarm, and an error is displayed on the display. The intelligent alarming system has the advantages of complete functions, convenience in use and the like.