WORK INSTRUCTION SYSTEM

A work instruction system automatically presents a work procedure in a next step to a worker, based on current work progress by the worker. The work instruction system includes: a camera and an input section for acquiring information on a worker's posture; a motion estimation section for calculating worker's skeleton information and estimating a worker's motion, based on the information on the worker's posture; a step identification section for identifying a current step performed by the worker, based on the worker's estimated motion and also based on work procedures that are predetermined respectively in a plurality of steps; a tablet computer capable of presenting, to the worker, an image indicating one of the work procedures in these steps; and an instruction section for allowing the tablet computer to present, from among the work procedures in these steps, a work procedure in the next step that follows the identified current step.