Philosophy, economics, law, etc. According to the inquiry of official website of Liaocheng University, in 2002, there were 12 main subjects in adult education in colleges and universities, such as philosophy, economics, law, education, literature, history, science, engineering, agriculture, management, art and medicine. Liaocheng University, referred to as "Chat Big". Located in Liaocheng City, Shandong Province, it is a comprehensive university in Shandong Province.