A board production state monitoring system including a camera unit that is disposed in a board work machine which carries out predetermined work for a board, that images a progress of the work by using a moving image, and that outputs moving image data; a data operation unit that receives, stores, and displays the moving image data; a trigger factor detection unit that detects at least one of a change factor in which working conditions of the work are changed inside the board work machine and a sign of error occurrence which shows that a working error may occur in the work, as a trigger factor; and an imaging start device for causing the camera unit to start moving image capturing if the trigger factor detection unit detects the trigger factor, and for causing the data operation unit to temporarily store the moving image data, is provided.