Liaoning University of Petrochemical Technology has many elementary courses. The junior course in university will be more difficult than the freshman and sophomore, because the junior is the key stage of professional courses, and students need to know more professional knowledge. The junior course of Liaoning University of Petrochemical Technology depends on the students' major and the curriculum arrangement of this academic year. Liaoning University of Petrochemical Technology was established in 1950, located in Gaowan District, Fushun City, Liaoning Province, China. The school is a key construction unit such as "Excellent Engineer Education and Training Plan", "Excellent Legal Talents Education and Training Plan", "National College Students' Cultural Quality Education Base", "National College Students' Innovation and Entrepreneurship Training Plan" and "China Petroleum and Chemical Industry Association Petroleum and Petrochemical Vocational College Experimental Base".