海关入境指南：🇺🇸 美国
入境美国的官方海关规定 — 免税额度、违禁品与限制入境物品清单，以及药品携带官方细则。
官方完全核实 · 主管海关机构： U.S. Customs and Border Protection (CBP) / TSA · 最近核实日期
以下所有内容均引自核实当日获取的海关官方权威法规与文件。
机场安检与海关检查的区别 机场登机安检（TSA/CATSA — 物品能否过安检机登机）与目的国海关（物品是否准许携带入境）属于两套独立法规。本页面阐述入境美国时的海关要求；安检过机规则请参阅物品查询指南。
个人免税物品额度
Returning US residents receive an $800 personal exemption (after 48 hours abroad; once every 30 days). Non-resident visitors may bring up to $100 in gifts. Tobacco: 200 cigarettes (1 carton) and 100 cigars. Alcohol: 1 liter (33.8 fl oz) duty-free for travelers 21 years of age or older. Family members living in the same household may combine individual duty-free exemptions.
“Returning resident travelers are generally allowed to bring up to $800 worth of merchandise duty-free, including 1 liter of alcoholic beverages (adults 21+), 200 cigarettes and 100 cigars.”
“Non-residents may bring in free of duty 200 cigarettes or 50 cigars or 2 kilograms (4.4 lbs.) of smoking tobacco, or proportionate amounts of each, and 1 liter of alcoholic beverages.”
禁止与限制入境物品
Absolute prohibitions: illicit narcotics, counterfeit goods, switchblades, items from sanctioned/embargoed countries (Cuba, Iran, North Korea), and dog/cat fur products. Strictly restricted: fresh fruits, vegetables, meat products, plants, soil, firearms, ammunition, and wildlife products protected under CITES. Note: Real ID is mandatory for all domestic US air travel identity verification at TSA checkpoints.
“Fresh fruits, vegetables, meat, and unprocessed animal products are prohibited or strictly restricted to protect US agriculture from foreign pests and diseases.”
“Real ID enforcement requires state-issued driver's licenses and identification cards to be Real ID compliant for boarding domestic commercial aircraft.”
药品与处方药携带规定
Prescription medications must be in original labeled pharmacy containers with the patient's name and doctor's prescription. Travelers may carry up to a 90-day personal supply. Controlled substances (narcotics, sleep aids, stimulants) must be declared to CBP officers at port of entry. Foreign medications not FDA-approved may not be imported unless meeting personal importation exemption criteria.
“Medications should be in their original packaging with personal prescription labels. Do not carry more than a 90-day supply. Declare all medications upon entry.”
“Travelers must declare all drugs, medicinals, and similar products to the appropriate CBP official.”
美国海关常见问题解答
入境美国的免税额度是多少？
Returning US residents receive an $800 personal exemption (after 48 hours abroad; once every 30 days). Non-resident visitors may bring up to $100 in gifts. Tobacco: 200 cigarettes (1 carton) and 100 cigars. Alcohol: 1 liter (33.8 fl oz) duty-free for travelers 21 years of age or older. Family members living in the same household may combine individual duty-free exemptions.
美国海关禁止或限制携带哪些物品入境？
Absolute prohibitions: illicit narcotics, counterfeit goods, switchblades, items from sanctioned/embargoed countries (Cuba, Iran, North Korea), and dog/cat fur products. Strictly restricted: fresh fruits, vegetables, meat products, plants, soil, firearms, ammunition, and wildlife products protected under CITES. Note: Real ID is mandatory for all domestic US air travel identity verification at TSA checkpoints.
可以携带药品入境美国吗？
Prescription medications must be in original labeled pharmacy containers with the patient's name and doctor's prescription. Travelers may carry up to a 90-day personal supply. Controlled substances (narcotics, sleep aids, stimulants) must be declared to CBP officers at port of entry. Foreign medications not FDA-approved may not be imported unless meeting personal importation exemption criteria.
其他国家海关指南
官方核实依据与参考来源
最近核实日期：
已对照官方权威来源核实。法规可能动态调整 — 关键或特殊物品请务必向所乘航空公司及安检当局二次确认。 核实流程与方法 →
- U.S. Customs and Border Protection (CBP) / TSA — cbp.gov ↗
- U.S. Customs and Border Protection (CBP) / TSA — tsa.gov ↗
- U.S. Customs and Border Protection (CBP) / TSA — fda.gov ↗