There is no clinical term for “small intestine fire”, but it is common for the heart meridian heat to move down to the small intestine, and the symptoms can be improved by taking Chinese medicines, such as Guiding Chi Pill. It is recommended to use the medicine under the guidance of a professional physician. Guiding Red Pill, composed of forsythia, Huanglian, gardenia (ginger fried), Mutong, Xuanshen, smallpox powder, red peony, rhubarb and so on. It has the effect of clearing heat and fire (removing heat and fire from the body), diuretic and laxative. It is used in treating sore mouth and tongue, sore throat, irritable heart and chest (irritable and sultry), short and red urine (small amount of urine with dark yellow color) and constipation due to internal heat. Individuals with weak spleen and stomach and internal cold are not recommended to use Guiding Red Pill. If you feel unwell, it is recommended that you consult a doctor. If medication is needed, it should be diagnosed by a doctor and the treatment should be standardized according to the doctor’s prescription.