PURPOSE: To improve working efficiency and to increase working capacity by providing a recognizing means to cause a worker to recognize the work content of a work content setting means to read a work content, responding to the degree of deciding experience, from a work content memory means to output the work content.

CONSTITUTION: A work content guide device comprises an individual data file 10 serving as a work history memory means, a work content file 11 serving as a work content memory means, An ID card 12 and an ID card reader 13 serving as a discriminating means, a guide control device 14 serving as a work content setting means, and a CRT 2 and a speaker 15 serving as a recognizing means. The guide control device 14 outputs the specifications of a work by the CRT 2 and a printer 3 like a conventional type based on work specification data outputted from a production managing computer l and causes a worker to confirm a mounting part by means of a lamp 6 like a conventional type based on a work assigning signal outputted from a production managing computer 1.