The relationship between high school students' mental health and their family environment is explored，to strengthen school and family’s education for high school students. Using SCL-90 symptoms self-rating scale and the Family Environment Scale，300 Zhangzhou high school students are selected to be test. The results show the correlation of the factor in the Family Environment Scale and the SCL-90. Based on sub-survey results， gender and grade of high school students are analyzed，the correlation of students' mental health and family environment are analyzed，too.