100毫升規則是什麼？

每個容器容量不得超過100毫升或100克；限制看容器大小而非裝了多少。所有容器放進同一個1升透明袋。

可以帶免稅液體嗎？

可以，只要裝在帶收據的STEB密封袋中。在抵達最終目的地前不要拆封。

豁免。處方藥、嬰兒食品等必需液體可超量攜帶，但需帶處方或醫生證明並主動申報。

因為規則看容器容量（上限100毫升）而非剩餘量，瓶子偏大即使沒裝滿也不行。

多數機場採用 ICAO 標準：液體、凝膠與氣溶膠容器不超過 100 毫升/100 克，全部裝在一個透明可重封的 1 升袋內。免稅品可放入 STEB 密封袋，藥品、嬰兒食品等必需液體可豁免。

更新日期: 2026-09-10

地區 / 國家	容器上限	包裝要求	備註
International (ICAO)	100 ml / 100 g per container	1 L clear resealable bag	Baseline for most airports; screen separately
United States (TSA)	3.4 oz / 100 ml per container	1 quart clear bag, 1 per passenger	3-1-1 rule; over 100 ml only if declared
European Union	100 ml per container	1 L transparent resealable bag	One bag per passenger; UK same since 2023
United Kingdom	100 ml per container	1 L transparent bag	New CT scanners may allow over 100 ml at some airports
Canada (CATSA)	100 ml per container	1 L clear resealable bag	Same as international; one bag per passenger
Australia	100 ml per container	1 L clear plastic bag	One bag per passenger; screened separately
Japan	100 ml per container	1 L clear bag (recommended)	Follows international; separate tray at security
South Korea	100 ml per container	1 L transparent bag	One bag per passenger at Incheon and domestic
China	100 ml per container	1 L clear bag	Domestic flights follow the same 100 ml rule
Singapore	100 ml per container	1 L clear bag	Changi follows the international standard
UAE	100 ml per container	1 L clear bag	Dubai and Abu Dhabi follow ICAO; sealed duty-free OK
India	100 ml per container	1 L clear bag	One bag per passenger; liquids screened separately