摘要：The purpose of the paper is to review the studies on family and identify the major factor contribute to these psychiatric problems. The basic psychiatric problem was range from bipolar disorder to antisocial personality disorder with the addition of reading disability. In the study of using the principle of animal behavior to research three different types of the psychiatric problem were being used to find out the influence of genetic and environment on both the history and current condition of the family and the impact on people’s future behavior with the experiment of how family study and twin study. This is a common psychiatric disease among current society due to the heavy pressure around people after reviewing different types of articles related to this psychiatric problem. The study was based on several datasets from the previous study, including 3 family studies and 6 twin studies with several different types of DSM questionnaires and interview information from thousands of twins with various in the category. With an analysis of all the statistical information, we conclude that the psychiatric problem is closely related. Both genetic and environmental are differentiated in the percentage of effect to the cause of the related problem.
