In the study, it was aimed to examine the relationships between the risk levels of smoking, alcohol, substance and internet use addiction among university students. The sample consists of 1189 associate, undergraduate and graduate students studying at Erzincan Binali Yıldırım University. According to the findings, the risk of smoking addiction according to the gender of the participants and the income of the family; It has been observed that it varies according to the status of smoking and alcohol use in the family and whether or not to work at the moment, but it does not differ according to the educational status of the parents. It was concluded that the risk of substance addiction differed according to the family alcohol use status of the participants, but did not differ significantly for other variables. It has been determined that there is a difference between the variables of internet addiction and alcohol use in the family and whether they are currently working or not, and there is no difference in terms of mother, father education, gender, family income and smoking in the family. It has been determined that the risk of alcohol addiction differs according to the variables of gender, mother's education, father's education, family income, smoking and alcohol use in the family, and whether or not to work at the moment. According to the findings, the relationship between the risk of internet addiction and substance addiction, alcohol use in the family, substance use in the family and currently working at work; between cigarette addiction and alcohol use risk, substance use risk, gender, family income, family smoking status, family alcohol use, and employment status; between alcohol dependence and substance use risk, gender, mother's education, father's education, family income, smoking in the family, alcohol use in the family, and current employment status; A relationship was found between substance abuse and family alcohol use.