Among nursing majors in Chongqing Medical University, physics or history is preferred. Choosing physics as the first choice can help students to establish a basic understanding of natural laws and phenomena and cultivate their ability to analyze and solve problems, which is related to the medical field. Choosing history as the preferred subject can deepen the understanding of human social development and cultural evolution, and enhance humanistic quality and comprehensive thinking ability. You can choose chemistry or biology as your re-selected subject. Chemistry is closely related to drug-related knowledge, and it has advantages when it comes to drug use and dose calculation in the nursing process. Biology is closer to the medical field and has a good foundation in understanding the structure, function and common diseases of the human body.