Warming therapy is a treatment to invigorate Yang-Qi and dispel pathogenic cold. This is done by the application of herbs of a warm or hot nature. It can revive Yang and warm the middle burner to dispel cold. Warming therapy also activates the meridians to activate yang. Therefore, it is widely used for interior cold syndromes such as vomiting, diarrhea, cold limbs and intolerance to cold. In terms of TCM theory, cold is also viewed as a primary cause of pain. This is due to the fact that it can slow down and stagnate Qi & blood. As such, the use of warming herbs can be helpful for treating soft tissue injury and joint pain due to cold.