1. Passport and visa: You need to prepare a valid passport and visa to travel abroad. Before choosing to go to Australia, you need to know your nationality and the visa and passport requirements of your destination.
2. Foreign currency and credit card: When traveling abroad, you need to prepare some foreign currency for local shopping and consumption. At the same time, you need to show your credit card in case of emergency.
3. Medical insurance: Traveling abroad requires medical insurance to ensure personal health and safety.
4. Communication equipment: When traveling abroad, you need to prepare some communication equipment, such as mobile phones or tablets, so that you can contact your family and friends at any time.
5. Clothes and shoes: Depending on the destination, you need to prepare clothes and shoes suitable for the local weather and climate.
6. Tourist maps and guidebooks: You need to prepare local tourist maps and guidebooks to know the culture and customs of the destination in advance.
7. Health products: According to personal needs and physical condition, you need to prepare some health products, such as medicines and medical devices, in case of emergency.
8. Electronic products: If you need electronic products for work or study, you need to prepare them in advance.
To sum up, you may need to prepare the above items during your trip. However, it is necessary to make appropriate adjustments and preparations according to personal circumstances to ensure a smooth journey and a wonderful holiday.