Zi Jin Niu is bitter and pungent in flavor, belonging to the lung and liver meridians, with the effects of relieving cough and asthma, clearing away heat and dampness, activating blood circulation and removing blood stasis. This product is pungent and bitter, with significant effect of relieving cough and expectorant, slightly calming asthma. It is especially suitable for those who have cough with phlegm and are hot. It is used for coughing with lung-heat and phlegm can be used alone or with loquat leaves. Purple gold cow has clearing dampness and heat to eliminate yellow, diuresis and seepage of dampness and swelling, used for dampness and heat jaundice, can be used with Yin Chen, gardenia to enhance the effect of diuresis and elimination of yellow. If water-dampness stops inside, resulting in adverse urination and facial swelling, it can be paired with Poria and Zeloda to enhance the power of diuresis. This product also activates blood circulation and removes blood stasis, and relieves pain through menstruation, so it can be used for bruises and injuries by decoction. For arthritis caused by unfavorable flexion and extension, Zijin Niu can also be used with Wei Ling Xian.