On August 13, 1971, when Furuta was a Waseda University student, he debuted for the Japan national team against Iceland. It was the youngest player to play for Japan national team at the age of 18 years and 29 days until Daisuke Ichikawa made new record in 1998. He played at 1974 and 1978 Asian Games. He played 32 games for Japan until 1978.