FDA in the United States and even the world have an extremely great influence, there are "the guardian angel of the health of Americans," the name. The world's drug dealers and food business to its love and fear, its credibility and professionalism y many experts and the general public's trust, and its rigorous testing and evaluation in the provision of good protection at the same time also caused a lot of drug dealers and food merchants, accusing it of binding the invention of the innovation, is to prevent people from obtaining the biggest obstacle to the effectiveness of the drug, and lobbied the Congress to cut the FDA's authority, but this practice did not affect the FDA's mission and responsibility to the sacred guardianship of the FDA But this has not affected the FDA's ability to sanctify and fulfill its mission and responsibilities. To this day, the FDA has become a shield in the hearts of food and drug consumers around the world.