What are the steps to fly from Beijing to America?

Baggage can't exceed 23KG, and liquid class exceeds 100ml, so it needs to be checked. Ipad and notebook can be taken back. \x0d\\x0d\ Flights from Beijing Airport to the United States or flights from other places via Beijing to the United States: \x0d\ 1. Please arrive at the airport two hours in advance when you check in. \x0d\A, submit passport, visa, air ticket (paper ticket), travel to travel itinerary (e-ticket) \x0d\B, checked baggage (limited to two pieces and each piece does not exceed 23KG)\x0d\C, get the boarding pass for the whole journey to the final destination in the United States, and properly keep the transfer boarding pass \x0d\2. If there is nothing to declare at Pudong Airport. B, fill out the exit form, go through the border inspection and security inspection procedures. Note that any liquid exceeding 100ml is not allowed to carry colloid on board. All liquids below 100 ml should be checked separately in a transparent and sealable plastic bag. \x0d\3。 Waiting: The boarding gate will be closed 20 minutes before departure. Please arrive at the boarding gate on time. \x0d\4。 During the trip: Fill in the US Entry I-94 Form and Customs Application Form \x0d\5. Arriving at the port city of entry in the United States, all passengers at Chicago/Los Angeles International Airport/San Francisco International Airport must go through immigration and customs formalities here before continuing their journey. This process takes about an hour at most: \ x0d \ a. Immigration: Submit passport and visa, I-90. \x0d\B, pick up your luggage at the baggage carousel designated by the airline. The baggage car may not be free, but it costs 2-3 dollars. \x0d\ US Customs inspection: Please pay special attention that all fresh animals and meat products are prohibited from entering the country. Once found, you will be fined. If you carry more than $65,438+$00,000 in cash, you must declare it truthfully, otherwise it may be confiscated. \x0d\6。 Transfer passengers should go through the transfer formalities \x0d\A and check their luggage at the transfer counter of the designated airline. Just give the luggage to the airline counter or put it back on the baggage conveyor belt of the designated airline. Baggage labels are delivered directly to the destination city of this trip. \x0d\B, if you miss the flight, please contact the airline to change the flight, and check the security at the boarding gate of the connecting airline's domestic route, which may take one hour. Therefore, you must go through the transfer formalities and complete the security check after completing the entry formalities. All liquids and colloids below 100ml should be put into transparent and sealable plastic bags for separate inspection, and the laptop should also be taken out for separate inspection. \x0d\C Please note that domestic flights in the United States do not provide free food except drinks, and you need to prepare your own food.