The United States establishes the TBT is to has causal, on the other hand, TBT because of its nominal legitimacy and the concealment beginning was prospered an extensive application especially by all countries.On the other hand, include the United States all countries in inside specified the law, laws with regulation system, come to environmental protection, protect the national security with the safety of the human oneself.China exports the product of the United States to concentrates primarily at process the product, food, drugs aspect.The United States is a food label is most strictly national in the world a.Inside domestic product exit the United States should have first the food label amount to 22 more.The import and export in the United States examination argument system has 60 variety, if the United States finds to manage the bureau with drugs, according to the food of 《 , drugs, cosmetics method 》 , public hygiene service method, the tea imports the method, waiting to the witness, packing, marking and examination that import the product, the examination issued to do the detailed provision.