A multifunctional earphone includes an earphone body, and an
alcohol-testing module provided in the earphone body. The alcohol-testing
module includes an alcohol-testing unit provided with an alcohol
concentration-measuring program to measure an alcohol concentration of a
user of the multifunctional earphone to obtain a measured alcohol
concentration value; and a communication unit to receive the measured
alcohol concentration value from the alcohol-testing unit, and analyze
the measured alcohol concentration value.