Abstract: Objective To evaluate the effects of androgenetic alopecia on quality of life and relevant factors including age,sex,duration of illness,family history and clinical classification.Methods 526 out-patients diagnosed with Hamilton-Norwood hair loss Scale or Ludwig Scale answered a questionnaire measured with DLQI.Factor analysis grouped the items into four subscales(no effect,mild effect,and severe effect,the most effect).The according score is 0,1,2,3.The higher the score,the lower the quality of life.Results The difference in quality of life is related to age of patients or clinical classification of the disease.Factors such as sex,duration of illness and family history make no difference.Conclusion Androgenetic alopecia affects the quality of life,especially of younger patients or those with more severe manifestations.Early treatments are essential for relieving patients from psychologically devastating effects.

Key words: androgenetic alopecia, quality of life, dermatology life quality index