Park Nitrate for the sulfate class of minerals, manganese nitrate group, the main component of aqueous sodium sulfate, a small portion of the manganese nitrate, mainly used for diarrhea heat laxative, moistening dryness and softness, treatment due to the fire and heat blazing triggered by the dryness and knotting of the stools, most of the cases with the rhubarb, Hovenia, thick Park, etc., but also can be used for back to the breast and the treatment of mastitis, generally directly to the external application on the breasts, but also to treat the children’s accumulation of food, are generally directly external application on the abdomen, but Park Nitrate cold, cold patients with a weak spleen and stomach should not be used.