Illegal drugs are known to have negative effects on the human body. People who take drugs can become addicted to them. They cannot stop taking medications, otherwise they will experience some symptoms that will make them uncomfortable. If they continue to take drugs instead of giving up, their immune defenses can be destroyed, making it easier for people to get sick or even die. In addition to health damage, drug addiction can also lead to some crimes that have a terrible impact on families, communities or countries. Each country has its own drug policy, and the differences between them can be called strict and liberal. Liberal policy can be defined as a policy that provides less control or light punishment for the sale and use of illegal drugs, while a strict policy can be defined as the opposite. I chose two typical countries: Mexico which has a liberal policy without death penalty, and Thailand which has a stricter policy with death penalty and long-term imprisonment. In this report I focus on the effects of drug policies in these countries. Liberal policy cannot control the trade and use of illegal drugs well because the punishments are too light, while strict policy cannot always have a good impact on illegal drugs due to some internal reasons such as corruption. This is why the Mexican and Thai governments have no effect on the trade and use of illicit drugs. Mexico's anti-drug policy has a standard that stipulates the maximum amount for dealing any type of illegal drug. You will receive a fine if you sell or buy illegal drugs for more than the maximum amount. For example, the maximum amount of heroin exchange is 50 mg. If you break the law and deal more than 50 mg of heroin, the police will put you in prison. How long you stay in prison depends on how much you trade above the maximum number and... middle of paper... sell illicit drugs. “Drug syndicates have an estimated income of between $35 and $60 billion a year at their disposal. Such a large sum gives them an enormous ability to bribe those charged with opposing them” (Ted Galen Carpenter, 2012, Paragraph 12). In conclusion, Thailand has much stricter drug policies than Mexico due to long incarceration and the existence of the death penalty. In these countries, due to light punishments or corruption, governments are unable to control illegal drugs well. For Mexico, strict laws with harsh punishments for drugs and corruption should be established and implemented to resolve the dire situation. Furthermore, targeting drug trafficking organizations and solving corruption problems are important to the Thai government. In a word, these governments have no effect on the trade and use of illicit drugs.