It can dispel wind-dampness, unblock meridians, relieve pain, and promote digestion. It is used for rheumatic pain, cold pain in the chest and abdomen, cholera with abdominal distension, indigestion, and traumatic injuries. It also has the effects of opening orifices, promoting the flow of stagnant qi, eliminating foul turbidity, killing parasites and relieving itching, reducing swelling, and alleviating pain.