Abstract: At present,human society is carrying out the fourth industrial revolutionwith artificial intelligence technology as the core symbol.Artificial intelligence has a bright prospect in enabling human beings to achieve a better life,but there are also many risks that may counteract its enabling effect.Different from the early optimistic imagination of artificial intelligence,the risk discourse of artificial intelligence has gradually appeared,spread and even become out of order in recent years.Typing is an effective attempt to solve the problem of disorder of artificial intelligence risk discourse.Based on the dimension of subject and time limit,the risk of artificial intelligence can be divided into four types:the risk of unemployment faced by the national subject in the short-term time limit,the risk of elimination of rights faced by the national subject in the long-term time limit,the privacy risk faced by the social subject in the short-term time limit,and the meaning risk faced by the social subject in the long-term time limit.

Key words: artificial intelligence, technical risk, unemployment risk, elimination risk, privacy risk, meaning risk