Alcohol is so-called "a magic bullet" affecting on the various organs and central and peripheral nervous systems and causes mental illness as well as physiological and psychological dependence. Also, alcohol problem is related with serious social problems including family violence, suicide, loss of job and crimes. Because alcohol use disorder is a common cause of consultation and liaison in general hospital, we could consider alcohol use disorder of one of psychosomatic disorder. Thus, I reviewed the prevalence, rate of consultation, and general consultant and treatment issues in treating patients with substance use disorder in a psychosomatic medicine.