The classes in the base of Northwest University are mainly based on basic disciplines. These classes mainly cultivate few but excellent and high-level basic scientific research teaching talents, and their attached mothers are all key comprehensive universities with strong strength, high teaching and scientific research level and good teaching conditions, which are in a leading position among similar disciplines in China. Northwest University, called Xida for short, is located in Xi, the capital of Shaanxi Province. It is a comprehensive national key university founded by China people, Ministry of Education and Shaanxi Provincial People's Government. Ranked among the first batch of national world-class discipline construction universities and national 2 1 1 key construction universities, and selected into the basic capacity building project of universities in the central and western regions, the discipline innovation and intelligence introduction plan of universities, and the national public postgraduate plan for building high-level universities.