Reed Root, or Reed Root, has the effects of clearing heat and fire (removing heat and fire from the body), generating fluids and quenching thirst (promoting the production of fluids to quench thirst), clearing the stomach and stopping vomiting, and diuretic. If the condition is more serious and there is a need for treatment, it is recommended to take under the guidance of a doctor after first being identified by a doctor. Rehmannia glutinosa is sweet in taste and cold in nature, this product can clear away heat to remove vexation, produce fluids to quench thirst, treating heat illnesses caused by injury to the fluids of heartburn, dryness and heat, thirst, etc.; it can also clear away gastric heat to stop vomiting, it can treat the burning stomach, bitter thirst, nausea and vomiting, etc.; this product can clear away heat in the lungs to treat the lung-heat cough with little phlegm, no phlegm, or even vomiting and smelly pus phlegm and other diseases. This product also has the role of clearing heat diuretic, for the treatment of urinary dribbling, dripping, burning urination, etc. also have a certain effect. However, rehmannia glutinosa is cold in nature, it is easy to consume for a long time, and it is easy to injure the spleen and stomach, and it is used with caution for people who have a deficiency of the spleen and have loose stools. After the discomfort should be timely medical treatment, under the guidance of the doctor to choose the drug treatment, not self-medication.