Objectives: Suicide is a social and psychological problem which can be prevented by pay attention to family. Arak is an industrial city and the immigration phenomenon also has an increasing growth in the recent years. In proportion to that the growing crowd and irregular immigration and interference of various subcultures have increased the risk of social problems such as tendency to suicide. This research has been carried out for the purpose of recognition of familial factors on attempted suicide in the clients at Arak Educational Remedy center in the second half of 1382. Method: This research is a case-control study. The statistical population of this research in the case group (the group who attempted suicide) is all the people who attempted suicide (i.e) those who reffered to Vali-e-Asr Hospital of Arak from Mehr 1382 until the end of Isfand 1382 in order to receive emergency services. This number includes 139 people (51 men) and (79 women). The controlled group has randomly been chosen from the members of families of 32 Health and Remedy Bases in Arak and included 220 people (77 men) and (143 women). The method of data collection is the observation and the interview the tools for gathering information is the check-list containing the closed questions. The analysis of information is done by statistical chi-square and logistic Regression. Findings: The findings in the descriptive section in accordance to the demographic variables showed that in the sample case study, most of people were 15-25 years old. The average age of the case group was 24.68 year. Women suicide attempted more than men. Most of the members have attempted suicide for the first time and the most frequent method used for attempting suicide was the use of drugs. The most frequency hours of attempted suicide were in the afternoon and at night. The month of Day had the most frequency of suicide rate. Statistical test showed meaningful relationship between “divorce of parents, violence in the family, the amount of verbal relationship in the family, the dispute between parents, physical, verbal or sexual abuse in childhood. Person’s, the previous record of attempted suicide in the family or acquaintances, the family’s previous record of psychological complaint. Also the parent’s previous record of committing suicide, didn’t have a meaningful relationship with attempted suicide in this study. Results: Whereas suicide is a public health problem in the society and its prevention and training play an important role and family is considered as a socio-cultural center and plays an important role in prevention from problems damaging individual in future, therefore, with family integration, the suicide level could be reduced.