Basic purpose of this study is to present on Clostridium Tetani. Tetanus is an infectious disease caused by contamination of wounds from the bacteria Clostridium tetani, Tetanus has been recognized for centuries; the term is derived from the ancient Greek words tetanos and teinein, meaning taut and stretched, which describe the condition of the muscles affected by the toxin. C. tetani bacteria is common in the soil and in animal manures, generally causes human infection via a dirty, skin wound.