This essay discusses the pros and cons of using diagnostic categories for mental disorders, including practical and ethical issues associated with the DSM. It explores the advantages of standardization, research guidance, and therapeutic guidance, as well as the disadvantages of oversimplification, over-diagnoses, and labeling and stigmatization. The essay also discusses practical and ethical issues associated with the use of DSM as a tool for diagnostic categories for mental disorders, and explores non-categorical approaches such as the dimensional and integrative approaches.