This research aims at present to detective the correlation between Irrational Beliefs the and Decision-Making, as well as to detect differences between the average scores students at the scale of Irrational Beliefs and a measure of Decision-Making among faculty members according to the (scholastic year) among the students of the Damascus university. To achieve this goal has been to use the following tools: Questionnaire to measure the Irrational Beliefs of the preparation of Ratibe (2001), And a questionnaire to measure Decision-Making of the preparation of researcher. The study sample consists of (341) male and female students from Damascus university. The most important findings of Search: - There were correlation statistically negative significant between the scores of students on the scale of Irrational Beliefs and grades on a scale of Decision-Making. -There were differences between the mean scores of students on the scale of Irrational Beliefs due to the variable scholastic year favor first year. - There were differences between the mean scores of students on the scale of Decision-Making due to the variable scholastic year favor four year