Symptoms of blood heat are clinically characterized by bleeding (e.g., vomiting blood, nosebleed, blood in stool, vaginal bleeding, mottled rash, etc.), fever, thirst, and abnormal state of mind (e.g., irritability, babbling, madness, etc.). Other symptoms include high body temperature at night due to exogenous heat, insomnia and heartburn, babbling, thirst, red maculopapular rash, reddish tongue and dryness, and fine pulse (pulse becomes narrower, thinner and faster). Blood-Heat Paranoia (heat causing blood to go out abnormally), vomiting blood, blood in urine, blood in stool, purple-black color of rash, or madness due to blood storage in the body, black stool, accompanied by dryness of mouth, heartburn and insomnia. Women with Blood Fever have sudden heavy bleeding from the vagina, or continuous bleeding every day, dark red or reddish blood, sticky and thick, dry mouth, irritability, constipation, yellow urine, red tongue, yellow tongue coating, and number of strings in the pulse. The treatment of blood heat is based on stopping bleeding and clearing heat, and the treatment of external heat into the blood is based on nourishing yin and clearing heat, detoxifying and penetrating the rash, with Qingying Tang, which is forbidden for those with white slippery tongue coating. Blood heat can be used in Rhinoceros Jiao Di Huang Tang to clear heat and remove toxins, cool the blood and dissipate blood stasis, and it is forbidden for those with Yang deficiency and loss of blood, and weakness of the spleen and stomach. If the above symptoms occur, please go to the hospital in a timely manner, under the guidance of a physician to use medication, do not take medication on your own, so as not to delay the condition.