我喺日本都有買IO Card and Suica Card,IO Card 係儲值票,有1000, 3000 and 5000 Yen,用完留番嚟珍藏。Suica Card 其實係香港嘅八達通,買咭時2000Yen,面值1500Yen,500Yen係按金,用完可往Ticket Information Refund番,全冇手續。兩者只可搭JR線,唔可以搭都營及私鉄,要分清楚。Suica仲可以喺JR站內有標誌嘅商店買嘢食嘢,好方便。最其特嘅係,兩者都可以在售票機買普通票,冇尾程優惠,冇負數,唔夠錢過唔倒閘,可補差額買張普通票。Suica 每次增值有1000,2000 and 5000Yen揀。