Can Yunnan black truffle soaked wine be brought to the United States? Are there any restrictions on customs entry and exit? Do you need declare in advance?

What is the specific process of immigration inspection in the United States?

(1), prepare valid travel documents before departure.

In order to avoid traffic problems or delays, China tourists accompanying the group to the United States must bring their passports, air tickets and personal travel supplies, and gather at the exit location designated by the travel agency on time to make all preparations for leaving the country.

(2) Fill in the customs application form on the plane to America.

On the plane on the way to the United States, flight attendants will distribute the I-94 form (that is, the arrival/departure record form) and the US customs declaration form to passengers. Inbound passengers can fill in these two forms in advance to speed up customs clearance.

(3) After arriving at the airport, go to the inspected area.

Immigration officials will check the documents and valid visas held by immigrants, scan their fingerprints and compare them with photos to ensure that immigrants are indeed the people who have obtained visas to the United States at their domestic American embassies and consulates.

(4), may be required to go to the second inspection area.

If the immigration officer is suspicious of the immigrants or is randomly selected, the boarding pass will be stamped with the word SSSS, and the immigrants need to wait for inspection in the second inspection area. Immigrants need to take off their shoes and belts. If there are metal objects in their coats, they may be asked to take them off for inspection.

American searchers should be polite and conduct searches in a professional and respectful manner. Otherwise, immigrants can report to the customs and seek help, or seek help from the Chinese embassy in the United States.

(5) Entry

After the entry is approved, the immigration officer will stamp the I-94 form of the entrant, indicating the entry date, visa status and stay time in the United States, and collect the first half of the form.

(6) Pass the customs inspection and leave the airport.

Pick up the checked baggage on the corresponding baggage conveyor belt. Customs officials will collect customs declaration forms, and may check whether the immigrants' luggage is contraband and taxed.

After the last stop of customs and border inspection, you can leave the airport or transfer.

What are the special immigration security measures at American airports?

1. It takes about 3 seconds to determine the identity by biological method.

This year, "US-Visit" was officially implemented, and the US 1 15 airport began to use the "biometric method" to check the entry personnel. American inspectors will leave fingerprints and take photos, and then check them with relevant databases.

This kind of fingerprint scanner has a place where one finger can be put down, and the scanner can get a clear fingerprint by putting the finger on it.

2. It takes about 1 minute for the scanner to "see through" the whole body.

From June 10, the "perspective" scanning security system that can see the outline of passengers' bodies through clothes will be put into use at 10 important airports in Washington and other places.

The area of the "perspective" equipment is similar to the revolving door at the entrance of the hotel. It uses low-energy electromagnetic waves to scan the human body.

As long as passengers walk into the scanner for about 1 minute, security personnel can find out whether guns, knives or explosives are hidden in the clothes of the inspected person.

It takes about 20 seconds for "air bath" to blow away dangerous goods.

"Air bath" is also a new means to check whether passengers carry explosives or drugs. This is a system consisting of 40 air nozzles, which can blow away any tiny particles on passengers' clothes or bodies.

These tiny particles fall into the vents on the floor and are immediately compared with more than 40 different types of explosive substances. Immigrants will feel the wind blowing overhead.

What should I pay attention to when entering and leaving the United States?

1. No matter entering or leaving the United States, you can only carry containers with a capacity not exceeding 100 ml to hold liquids, gels and aerosols and put them in 1 liter bags.

2. It is forbidden to bring knives, animals and plants, seeds, food (meat) and fruits into the country.

If you bring more than $654.38 million in cash into the United States, you must declare it, otherwise it will be confiscated by the customs.

4. Please be sure to pay attention when checking luggage: certificates, air tickets, any kind of cash and valuables, and film must not be checked.

When entering or leaving the country, pay attention to your words and deeds, and don't talk nonsense about bombs and terrorism.