This paper is based on a study that was designed to study the "Impact of Anxiety on Academic Achievement of Student at university level in Bahawalpur, Pakistan." Being descriptive study, survey method was adopted for data collection to find out the results. For sample size out of 200 students 97 students were selected by stratified sampling. The researcher made three groups of overall students and three groups of male and female students. In this research questionnaire (Otis self-administering test of mental ability) and anxiety measurement scale was selected as an instrument for the purpose of data collection. Data was analyzed by using the formula of regression to see the impact of anxiety on academic achievement of students and formula of co-relation was applied to see the relationship of anxiety and academic achievements of students in SPSS software. The in depth investigation of the findings reveals through this analyzed data, that anxiety had its impact on academic achievement of students. The results show that when anxiety increases, academic achievement decreases both in male and female students. It is also noteworthy in the results that there is more impact of anxiety on female students as compared to male students.