The dream of studying in Australia for international students requires not only a full backpack and sufficient courage, but also some important cards to be quickly processed after landing in Australia in order to better adapt to the new life and enjoy various benefits. In addition to bank cards and phone cards, there are five key cards that are essential for international students, namely student cards, bus cards, medical insurance cards, driver's licenses and tax cards. This article will introduce you to the importance and application steps of these five cards in detail.