The elective course of anesthesiology in Zhejiang University requires physics and chemistry. Anesthesiology is a science that studies clinical anesthesia, life function adjustment, intensive care and treatment, and pain diagnosis and treatment. Usually used during surgery or first aid. China began to study anesthesia from the Eastern Han Dynasty. Zhejiang University, referred to as Zhejiang University for short, is a comprehensive national key university directly under the people of China and the Ministry of Education. Ranked at the national level, 2 1 1 project, 985 project, with the system of deputy ministerial level directly under the central government. It is an institution that receives scholarships from the government of China for overseas students in China, the first batch of demonstration universities in China to deepen the reform of innovation and entrepreneurship education, and an independent examination unit with degree authorization.