A total of four Drug ingredients were detected from Actor Yoo Ah-in (36 and his real name Eom Hong-sik), turning the movie industry upside down. According to TV Chosun News 9 on the 1st, Yoo Ah-in's hair test at the National Forensic Service (National Science Susa Research Institute) found additional traces of Cocaine and Ketamine following Propofol and Hemp. Cocaine is one of the top three Drugs along with methamphetamine and heroin due to its strong hallucination and addiction. Ketamine is used as a general anesthetic and was classified as narcotics in 2006 due to abuse concerns. The number of Propofol doses of Yoo Ah-in reached 73 from January 4, 2021 to December 23 of the same year, six times a month, with a total dose of more than 4,400 milliliters. In addition to this, the number of suspected narcotics has increased to four, causing shock and disappointment to the public every day. In particular, Yoo Ah-in was the representative star of Chungmuro who won the Best Actor Award twice in the Blue Dragon movie and won the title of 'Ten Million Actor'. The movie "High Five," the Netflix movie "The Fight" and "The Doomsday Fool" were about to be released this year, but Yoo Ah-in has put the movie on high alert. In addition, Yoo Ah-in has been popular with the concept Actor image that does not hesitate to make a statement, so the public's sense of betrayal is bigger. The return to the four-piece set of Drug is a crossover atmosphere. Yoo Ah-in will soon be Recalled as The skin of the user and will be investigated by the Police in connection with Drug administration.