Abstract: Cutaneous Mycobacterium infection is a kind of complex skin disease, which is prone to miss diagnosis and misdiagnosis for the clinical and pathological manifestations are not specific. Cutaneous Mycobacterium infection can be roughly divided into three categories in clinic, including cutaneous tuberculosis (CTB), leprosy and non-tuberculous mycobacterium (NTM) skin diseases. The update of the epidemiological characteristics, clinical manifestations, diagnosis, treatment of various cutaneous mycobacterium diseases is reviewed in this paper.

Key words: Mycobacterium infection, skin diseases, Mycobacterium tuberculosis, Nontuberculosis mycobacteria