Introduction: Worrying is one of the anxiety disorders that influences a person's functioning in different areas of education, employment and society. The purpose of this study was to predict the level of worrying based on rumination and meta-cognitive beliefs in students of Kurdistan University.

Methods: In this research, which was done with the correlation method, 143 students were selected and subjected to the study by means of random cluster sampling. Three questionnaires regarding rumination, meta-cognitive beliefs and worrying were used as means of data collection. In this research, rumination and meta-cognitive beliefs were considered as predictors and worrying was considered a dependent variable. The data were analyzed by R Pearson correlation coefficient and multiple regressions analyzes.

Results: The results of the study revealed that there is a significant positive relationship between rumination and worrying (P < 0.01). Also, a significant positive relationship was obtained amongst all factors of meta-cognitive beliefs, except self-cognitive beliefs and worrying (P < 0.01). These factors could account for 40% of the variation in the level of worrying. Regression coefficients with stepwise method for linear combination of meta-cognitive beliefs and rumination with worrying was significant in the levels of less than 0.001.

Conclusions: Rumination and metacognitive beliefs are correlative with student's level of worrying, therefore therapists and counselors should concentrate on reducing people’s level of worrying, reducing rumination and metacognitive beliefs.