the objective of this study is to compare the clinical outcomes and cost-effectiveness of model of case-manager services (home-visit) for serious mentally ill patients by nurses.The target population is the individuals with schizophrenia and bipolar mood disorders spectrum living in Tehran.180 participants will be selected from mental hospitals or wards after discharge or from outpatients services and randomly located into three groups.In the first group, the intervention will be carried out by nurses 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 side effects of drugs are reported to the patient's psychiatrist.In the second group by having a phone call, patient have been recalled for their next visit in the clinic.In the third group no intervention will be provided.The instruments of YMRS, FEIS,PANSS,caregiver's knowledge questionnaire, KELS, quality of life questionnaire, SF-36, CSQ-8, GHQ, cost questionnaire will be used to measure clinical outcomes and cost-effectiveness of the interventions.