Qigong or Qi Gong is a kind of Chinese Kungfu, which can be practised to use your Qi energy to flow inside or outside your body for martial arts purposes such as Shaolin Iron Head Kungfu and Iron Shirt Bridge Kungfu or for medical and health purposes such as healing, strengthening your muscles, bones and joints etc. When running /controlling your Qi energy flowing inside your body, it is called Nei Gong, or soft Qigong, otherwise, called Hard Qigong or External Qigong.