Sweet and salty in flavour, cold in nature, it acts on the heart and liver channels. The herb is mainly effective in the heart, liver and blood. Its sweet and cold properties clear away heat and moisturize dryness. The effects of the herb include removing blood-heat, promoting blood circulation, detoxicating tacilitating eruption and loosening the bowel. It is indicated for the syndromes of maculus and eruption, measles with subcutaneous dark purple rashes, swollen throat, suppurative infections on body surface, particularly for the patients who are complicated by constipation.