How much liquid can a plane carry? ——Full analysis of the latest regulations on carrying liquids on board flights
Recently, with the arrival of the summer travel season, aviation safety regulations have once again become a hot topic. Many passengers have questions about the restrictions on carrying liquids on airplanes. This article will give you detailed answers based on the latest regulations and hot discussions on the Internet.
1. Regulations on carrying liquids on domestic flights

| Item type | capacity limit | Packaging requirements |
|---|---|---|
| Carry liquids with you | Single bottle≤100ml | transparent sealed bag |
| Total quantity limit | ≤1L | Limit 1 bag per person |
| Special liquids (medicines, etc.) | Need to declare | provide proof |
According to the latest regulations of the Civil Aviation Administration of China, liquid items carried by passengers must meet the "three 100" principle: a single container should not exceed 100 milliliters, the total volume should not exceed 1 liter, and must be packed in a resealable transparent plastic bag.
2. Comparison of differences in international flights
| area | fluid restrictions | special regulations |
|---|---|---|
| EU countries | Same as Chinese standard | Separate security check required |
| USA | 3.4oz (about 100ml) | TSA special security box |
| Middle East | stricter inspection | No perfume, etc. |
It is worth noting that airports in many countries have recently strengthened inspections of liquid items. According to hot discussions on social media, Dubai Airport has recently discovered a number of illegal cases of carrying perfume, and the passengers involved were punished accordingly.
3. Frequently Asked Questions
1.Can I bring baby food?Necessities such as baby milk powder and breast milk are not subject to the 100ml limit, but must be inspected by security personnel.
2.How to deal with duty-free goods?Goods purchased at airport duty-free shops can be brought onto the plane, but the original sealed packaging and purchase voucher must be retained.
3.Can e-cigarette liquid be carried?According to the latest regulations, liquid restrictions also apply to e-cigarette oil, and some airlines prohibit it from being checked in.
4. Expert advice
Aviation safety expert Professor Wang suggested in a recent interview: "Passengers should plan ahead for carrying liquid items and check in necessary liquid items to avoid inconvenience during security check. At the same time, pay attention to the latest changes in regulations in various countries, especially for connecting flights where different standards may apply."
5. Latest statistics in 2023
| Violation type | Proportion | main items |
|---|---|---|
| excess liquid | 42% | cosmetics, beverages |
| Packaging is not compliant | 35% | No clear bag used |
| Special liquids not declared | 23% | drugs, alcohol |
With the upgrade of security inspection technology, many airports have recently launched new liquid detectors that can quickly identify dangerous liquid components. Passengers are advised to arrive at the airport in advance and allow sufficient time for possible security inspection procedures.
Summary: Understanding and complying with aircraft liquid carrying regulations not only ensures smooth passage of security inspections, but is also an important contribution to aviation safety. Be sure to check the latest regulations before traveling and arrange your luggage appropriately to make your journey easier and more enjoyable.
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