From 1973 to 1975, he played a role in his father's other film Greaser's Palace at the age of 7. At the age of 8, his father gave him his first marijuana cigarette. At the age of 1, his family lived in London, and he attended the famous Perry House School in Chelsea to study classical ballet. Since 1976, he has participated in three Stagedoor Manor performance summer camps, studied Robert Downey Jr.'s photo album (2 pieces), performed dance and vocal music. During his whole adolescence, he and his family members abused marijuana and cocaine. In 1977, his parents divorced, and he lived with his mother in new york, while his sister lived with his father in California. In 1981, he went to Los Angeles to reunite with his father, continued his studies at Santa Monica High School and joined the high school drama troupe. He learned to tap dance in order to play the role in the musical Oklahoma. In 1982, after his father attached harsh conditions to him, he agreed to his request to drop out of school. He was able to drop out of school before graduating from high school and went to new york to develop his acting career with his sister. In order to support himself, he worked as a restaurant waiter, a shoe store employee and a living artist. At the same time, he performed plays in the theater, which was finally discovered by scouts and brought back to Hollywood in Los Angeles for development. During the filming of Firstborn in 1984, she fell in love with Sarah Jessica Parker and started a seven-year relationship. During the filming of Weird Science in 1985, he became close friends with Anthony Michael Hall. With his help, he participated in Sunday Night Live for one year. In 1986, he filmed the film "The Pick-up Artist" for the first time. In 1987, he became famous for playing the role of julian wells, a playboy of drug addicts, in the film less than zero, and gained the attention of film critics. In 1991, she broke up with Sarah Jessica Parker, and beat the famous filmmakers Dustin Hoffman, Robin Williams and Billy Crystal to win the role of Chaplin. In 1992, after only 42 days of dating, she married Deborah Falconer, a model, actor and singer. In 1993, he was nominated for his first Oscar, and his son Indio was born on September 7th of the same year. Since 1996, due to the personal drug problem caused by heroin, he officially separated from his wife. He was arrested several times and tried in court for possession of drugs, speeding and breaking into houses under the influence of drugs, and illegally carrying firearms. He was forced to quit and sentenced to probation by the court. However, due to breaking the regulations on probation and bail for many times (that is, evading drug tests and urine tests for many times), he was eventually imprisoned twice for a total of 16 months: from October 16, 1997 to March 31, 1998, he was involved in a fight with other prisoners on January 23, 1998, and was released from prison for treatment. From August 5, 1999 to August 2, he served his sentence in Cauquelin State Prison, California. After he was released from prison for the second time in November, 2, he relapsed twice during his participation in the American drama Ally Mcbeal, was arrested and ordered to give up drugs. From 2 to 23, he participated in the drug treatment program designated by the court and finally got rid of drugs successfully in 23. In 2, she participated in Ally Mcbeal, an American TV series, and after 1 episodes, she was a great success, which greatly increased the ratings of the play and won the Golden Globe Award for her role in the play. In 21, he renewed 8 episodes of Ally Mcbeal, and his original song --snakes was included in the soundtrack of Ally Mcbeal, which was the first time that he disclosed his music to the public. In the same year, at the invitation of his good friend Elton John, he filmed the MTV of the new single I want love, and raised funds for the Hollywood-Sunset Free Clinic, a charity drug rehabilitation organization. In April 23, when filming Gothika in Canada, I met Susan Levin, the film producer, and fell in love. On November 6th, 23, Susan3 proposed successfully one minute before her 3th birthday. When explaining why she proposed like this, he said, "I figured I kind of wanted to get her while she was still in her 2s." (I kind of wanted to get her when she was still in her twenties), and then the wedding news was made public on The Frank Skinner Show that month. On November 23rd, 24, he signed a contract with Sony to release his first music album "The Futurist", which ranked first in the sales volume of new singer's album on the North American Billboard charts. In the same year, he officially divorced Deborah Falconer. On August 27th, 25, she married Susan Levin in Amagansett, Long Island, new york. Wedding guests include Keanu Reeves, Sting and Billy Joel. Billy Joel sang Just the Way You Are for the newlyweds. In September 26, he won the most important role in his career: Iron Man made a big sale in 28 and returned to the peak of his career. In the same year, he was nominated for major awards for his perfect performance in the film tropic thunder. On December 7, 29, he left his hand and foot imprint and signature outside Grauman's Chinese Theater. On Christmas Day of the same year, Sherlock Holmes, the leading film, was released, setting a new record for the Christmas opening box office. In February 21, he and his wife Susan Levin Downey formed a personal production company Team Downey.