In recent years, overwork becomes one of the hot issues of Chinese scholars.With the rapid development of China's economy, the society advocates the scientific development concept of "people-oriented" and the healthy and stable development of human capital. However, a series of incidents such as "overwork death" caused by excessive labor occurred frequently. It becomes more urgent to explore the reasons behind overwork and find solutions. This paper chooses the teachers of a private college in Jiangxi Province as the object of investigation, carries on the analysis through the questionnaire form, understands the degree of overwork of the teachers and the influence of overwork on them, finds out the reasons and proposes solutions.