The purpose of preparing emergency rescue plan is to put life first, safety first, and strengthen the thinking of bottom line and red line. The principle is people-oriented, in accordance with the law and regulations, in line with reality, pay attention to practical results. Because according to the website of the Guangdong Provincial Emergency Management Department, Article 7 of the Requirements for the Preparation of Emergency Plans issued by the Guangdong Provincial Emergency Management Department clearly states that "the preparation of emergency plans should follow the principles of people-oriented, legal compliance, practicality and practical results, and the work purpose is life first, safety first, and the bottom line and red line thinking should be strengthened. Therefore, the purpose of emergency rescue plan is to put life first, safety first, and strengthen the bottom line and red line thinking. The principle is people-oriented, in accordance with the law and regulations, in line with reality, pay attention to practical results.