1) Charcot's medical life story was outlined. 2) Varieties and frequencies of neuropsychiatric disorders lectured in Lemons du Mardi a la Salpetriere, Policlinique 1887-1889 were mentioned. 3) The cases of conversion hysteria were summarized and presented according to the etiological factors. 4) His manner of understanding of hysteria and his role in the history of clinical investigation of hysteria were discussed.