Da Huang Huang Lian Diarrhea of the Heart Tang can treat the fires of the upper, middle and lower jiao, and can diarrhea the fires of the three jiao. Clinically, it can treat the evidence of fire and heat, and can often be applied to adjust and treat plant nerve dysfunction, cavitary tuberculosis, nose bleeding, diarrhea, mouth ulcers, rhinitis, gastritis, dizziness, peripheral malnutrition, schizophrenia, and hair loss. The dosage of Dahuang Huang Lian Diarrhea Heart Soup must be grasped so that the spleen and stomach are not damaged by overdose, making the treatment of removing fever and injuring the spleen and stomach more than worthwhile. It is best to apply it reasonably under the guidance of a doctor and pay attention to the timing of the medication.