In social life, education and training is an important field for all nations and peoples at all times. In today's trend of knowledge development, education - training is considered the most important policy and measure for development in many countries around the world and Vietnam is no exception. Well aware of the role of education and training in development, the Government of Vietnam always has specific policies and actions to make education a top national policy. In Vietnam, general education is education at three levels of education: primary school, middle school and high school. For each level of study, there are different requirements for training quality and content, so that it is suitable for each training object. The article analyzes and clarifies theoretical and practical issues related to teachers' working conditions (through salary policy) to the health of high schools. The article also stated and analyzed a number of statements related to maintaining and stabilizing the health of schools (School Health) in the current context. The limitation of this study is that it has not shown and analyzed the factors affecting the working conditions of teachers (through salary policy) affecting the health of high schools in Vietnam today.