Natural Walking Exercise is the basic exercise of Guolin Qigong. It is like taking a stroll at the park. It adopts Moderate Strength Nasal Breathing which allows a large intake of oxygen. The breathing techniques and hand movements promote the circulation of qi (inner energy) and blood, and also help to achieve a balance between the Ying and the Yang elements in our body. The overall improvement in the immune system helps to treat and prevent cancer. The sequence of practising Natural Walking Exercise is: 1. Preparatory Exercise 2. Natural Walking Exercise 3. Concluding Exercise