• As is well known, AIDS, one of the most dangerous epidemics, has been spreading and menacing people’s health and lives throughout the world. To this day, about 20 million people have already died of AIDS, 42 million have been infected with HIV, and millions more are infected every year. However, for many people only twenty types (classes) of clinical drugs are available. Moreover, though these drugs can inhibit the copy of HIV, there remains the problem of drug resistance, a key cause of failure for the treatment of HIV infection. Therefore, development of new drugs with new structures and new anti-HIV mechanisms has become a hot research topic (field) supported by many governme only have twenty kinds of clinical drugs to use. Though these drugs can inhibit the copy of HIV virus, drug resistance is a key cause of failure for treatment of HIV infection. • However, for many people only twenty types (classes) of clinical drugs are available. Moreover, though these drugs can inhibit the copy of HIV, there remains the problem of drug resistance, a key cause of failure for the treatment of HIV infection.