In June 1981, Shima was selected the Japan national team for 1981 AFC Championship. At this competition, on June 7, she debuted against Chinese Taipei. This match is Japan team first match in "International A Match". She played in all 3 matches at this championship. In September, she also played against Italy. However Japan was defeated this match by a score of 0–9. This is the biggest defeat in the history of Japan national team. She played 4 games for Japan in 1981.