Research on the Sense of Happiness of Teachers in Private Colleges in Developed Areas Under the Educational Supply Side Reform Questionnaire Survey Based on Teachers from a College in Guangdong Province

—China has entered a new era with the new normal of economic development which has changed from a "speed priority" to the "high quality development". The higher education development stage in China has gradually entered the mass higher education level. It has carried out vigorous supply-side reforms in the field of higher education under this special background. Therefore, this paper has certain significance in the in-depth study of private college teachers in developed areas of China based on the perspective of happiness. This article takes the 187 teachers from a college in Guangdong Province as the survey object, and uses the questionnaire survey method to investigate based on SPSS23.0 statistical analysis software. The final research results show that the overall sense of happiness of private college teachers in developed areas is still relatively low. The work pressure of private college teachers is mainly from the highest proportion of family income, followed by the school assessment, job promotion, and the lowest factor is from student and interpersonal relationship. Among the most important factors, the influence of material conditions takes the biggest place, followed by physical and mental health, personal value, family life, interpersonal relationship, and the smallest is from social status and leisure life.