PURPOSE: A method and device for generating a digital map reflecting a driving load index are provided to enable a driver to avoid a route having high driving load index. CONSTITUTION: An electrocardiogram signal and an electromyogram signal of a driver are measured(S100). A road is classified according to a type(S200). Heart rate variability(HRV) is detected for each classified road. An electromyogram root mean square is detected for each classified road(S400). A driving load index is determined based on the heart rate variability and the electromyogram root mean square(S500). The driving load index is reflected in a digital map(S600). [Reference numerals] (AA) Start; (BB) End; (S100) Measuring an electromyogram signal and an electrocardiogram signal; (S200) Classifying a road according to type; (S300) Detecting Heart rate variability(HRV); (S400) Detecting an electromyogram root mean square; (S500) Determining a driving load index; (S600) Reflecting the driving load index on a digital map
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