On this day, 27 years ago, on March 27, 1998 (February 29, 1998 in the lunar calendar), Viagra was launched. Viagra, commonly known as "Viagra". Viagra (Chinese name: Viagra) is an oral treatment drug developed by Pfizer in the United States. It is used to treat erectile dysfunction and premature ejaculation. It has a very significant improvement in erectile dysfunction and premature ejaculation. It was launched in China in July 2000. At present, there are more than 1500 documents proving that Viagra has a success rate of more than 80% in the treatment of impotence and premature ejaculation caused by different causes, showing its reliable efficacy. Viagra has been used by more than 20 million people around the world, which has confirmed its long-term stable safety. Viagra's 25-60 minutes onset time is just in line with the time required for foreplay, and the time of intercourse is adjusted to the maximum drug concentration. Help both couples have a satisfying sex life. A person in charge of Pfizer (China) said in an interview with reporters that the current sales of "Viagra" are normal; As consumers 'drug-buying habits change, pharmacy retail may increase, but it is impossible to sell out of stock if "Viagra" is advertised and sold out. Since Viagra was launched in the United States on March 27, 1998, as of August 2000, more than 30 million prescriptions for Viagra have been issued worldwide, and more than 300 million tablets of Viagra have been treated by Viagra. Viagra has been listed in more than 100 countries and regions around the world. In November 2000, Viagra won the French PrixGalienaward for Pharmaceutical Invention.