To date, the quality of work life has been studied as a basis for employees’ well-being in a variety of categories. Accordingly, the present study combines the results of quantitative studies in quality of work life with the aim of identifying and prioritizing the appropriate factors to the biomass context of Iran. This research is descriptive in terms of purpose and is applied in terms of its type. The statistical population consisted of 79 papers and theses reporting studies conducted in Iran. Using the Judgment method, 40 studies were entered into the meta-analysis process in CMA2 software. Identification reliability was obtained through the agreement of the judges in the selection and classification of studies, the coding reliability was achieved through the agreement of referees on the use of specific concepts for encoding variables, and the significance level and effect size was attained through an agreement in measuring the effect size between the two meta-analyzers. The results showed that social relationships in work, opportunity for growth, overall atmosphere of life, the level of control applied in work, work satisfaction, lawfulness, stress at workplace, safe and healthy working conditions, work-life balance, social integration, and sufficient payment are considered to be the most important components of the quality of work life.