The knotted bone herb should be said to be a Chinese herb, also called name file herb, pennyroyal herb, often can be used to disperse wind-heat, to treat wind and tears, astringent to stop bleeding, diuretic, eye disease, redness of the eyes, etc. Like a single dose of herbs, said herbs are fine for short-term use if used for health care, and safety is good. But once you do medicinal use, must be with other herbs to form a compound preparation, you need to be under the guidance of a doctor to identify the disease treatment and medication, do not own a certain disease also choose a relatively single, such as knotted bone herb single herbs to treat relatively obvious symptoms, may be more than worth the loss, resulting in the aggravation of symptoms or delay the diagnosis and treatment of the disease.