Excellent grades, excellent comprehensive quality, and never violated the school rules and regulations. Sun Yat-sen University is a key institution with a good teaching level. Optics, as one of the specialties of the college, has a certain number of places for postgraduate entrance examination every year, but the conditions for applying for postgraduate entrance examination are rather harsh. The specific conditions are that students are required to have excellent grades and good comprehensive quality, and they have never violated the school rules and regulations. Sun Yat-sen University was established in 1924, located in Xingang West Road, Haizhu District, Guangzhou, directly under the Ministry of Education of People's Republic of China (PRC). It is a comprehensive national key university jointly established by the Ministry of Education, the State Bureau of Science, Technology and Industry for National Defense and Guangdong Province, and ranks among the first batch of national "double first-class" A, "985 Project" and "21/Project".