The objective of this study is to compare the clinical outcomes and cost-effectiveness of two models of case-manager services (home-visit) for serious mentally ill patients by general practitioners and nurses. The target population is the individuals with schizophrenia and bipolar mood disorders spectrum living in Karaj. 180 participants will be selected from mental hospitals or wards after discharge or from outpatients services and randomly allocated into three treatment groups. In the first group, the intervention will be carried out by general practitioners by providing 12-month consequences home-visit. In each visit, the patients will be supervised for their medication prescribed by the patient's psychiatrist, the patient and caregivers are trained, the symptoms of disease and the drugs side effects are reported to the patient’s psychiatrist, and finally drugs are prescribed if urgently needed. In the second group, except for prescribing drugs, the same services will be provided by a nurse. In the third group no intervention will be provided. The instruments of YMRS, FEIS, PANSS, caregiver's knowledge questionnaire, KELS, quality of life-36, CSQ-8, GHQ, cost questionnaire will be used to measure clinical outcomes and cost-effectiveness of the interventions.