Tashima was born in Amakusa District, Kumamoto on November 21, 1957. After graduating from University of Tsukuba, he joined Japan Soccer League club Furukawa Electric in 1980. The club won the 2nd place in 1982 JSL Cup. Although he played as a regular player, he retired in 1982. He played 39 games and scored 6 goals in the league.