The mourning process, which is the subject of studies in the field of psychology, can be defined as a process in which the irreversibility of loss and its consequences are digested or internalized into memory, and the capacity to continue life with pleasure and satisfaction is regained. The main purpose of this research was to determinate how university students experience the grief process after the loss of a family-relative or relative and the physical, emotional, cognitive and behavioral changes in the grief process. The study was conducted with the quantitative data collection technique with undergraduate students who had the loss of a loved one (1st degree) studying within the Faculty of Health Sciences of Istanbul University. The Grief Scale was used as a data collection tool. In the study, a significant difference in the cognitive dimension according to the gender variable of the students and a significant difference in the cognitive dimension according to the class variable were found. On the other hand, significant differences were found between the groups in the behavioral dimension of the scale in the age of death, pattern of death and form of death of the disappeared person.