Using airphoto interpretation and field investigation, the active faults are recognized in southwestern Taiwan. They distributed in foothill between Hai-feng-lun river to Pa-chang river. The active faults including Meishan fault, Chiuchiungkeng fault, Houchuang fault, Tutikungchiting fault and Tapumei fault are examined. The morphology such as fault scarp, flexural scarp and lineaments are significant. Most of faults have certainty Ⅰand Ⅱ.