This study, which investigated the relationship between teachers' professional life qualities and positive psychological capital, was designed in a relational screening pattern in the quantitative research method. Teachers, who worked in primary, secondary and high school in Erzincan city centre of Turkey in 2014-2015 academic year, participated in the research. The study group consisted of totally 182 teachers selected by random sampling method from the research field. The research data were collected through two different scales as "Professional Life Quality" and "Positive Psychological Capital". The obtained data were subjected to frequency, arithmetic mean, and correlation and regression analysis with SPSS 22 program. According to the results obtained from the research, it was found out that the positive psychological capital levels and quality of professional lives of teachers were high. According to the results of the study, it was noticed that there was a significant positive correlation between the teachers' professional life qualities and positive psychological capital levels. Another result obtained from the research was that teachers' professional life qualities were a significant predictor on their positive psychological capitals.