To provide a work analysis system capable of efficiently analyzing each of works performed by a worker who performs plural kinds of works.

The work analysis system includes a handy terminal 1 and a personal computer 3. The handy terminal 1 is carried by the worker to detect the start time and the end time of each work according to the worker's input operation and to store the time data obtained at the time of each detection. The personal computer 3 causes the time data stored at the handy terminal 1 to be sampled via a data transmitter 2 and a communications cable 5 and, based on this data, totalizes and analyzes the work hours of each work performed by the worker.