RESUMEN
In this special article we present Korean medication algorithm development project for major psychiatric disorder (KMAP), basic plan, organization, basic principles of algorithm developments, methods of development, limitations and cautions of using this algorithm. The Korean Society of Psychopharmcology and Korean Academy of Schizophrenia as a co-worker started to make Korean algorithm project that is helpful to treat major mental disorder (schizophrenia, bipolar disorder) patients by the better psychopharmacologic treatments. In spite of many advantages of algorithm, these projects have many limitations and problems simultaneously; we needed to introduce the goal of algorithm, details of development methods in this special article. KMAP have employed the latest survey techniques and reflect only the most current clinical standards. The results are a practical reference tool not only for clinicians but also for mental health educators and other healthcare professionals involved in the care of patients who have major mental disorders. This algorithm projects can have problems and shortcomings. but we will revise this issues by correction and amendment.