TDM is only suitable for drugs that are consistent with blood concentration and efficacy, and the clinical diagnosis is the same. In general, as with drugs, although the concentration of blood is in the treatment window, the therapeutic effect is quite different. Modern research shows that the polymorphism of human genes is an important factor that takes the therapeutic effect of drugs as human righteousness. It is reported that although the scientific research achievements have also made major breakthroughs, the number of drugs that can be used is quite different from that of clinical first-line drugs. In addition, the available individualization cannot meet clinical needs based on semiconductors. The personalized medical services provided by hospitals only provide drugs for the genetic types of most patients, but also stay in the environment that can lead to the individualization of drug metabolism. hard.