Tongue tip red and tongue coating white, mostly for the heart meridian have heat, but the disease is still shallow, if at the same time also accompanied by the heart and chest hot (irritability and sultriness), thirst, red face, desire for cold drinks, as well as sores on the mouth and tongue without other uncomfortable symptoms can be taken to guide the red powder and other traditional Chinese medicinal tonics. The tip of the tongue for the internal organs for the heart, the tip of the tongue red for the heart has heat, Chinese medicine look at the tongue when looking at the thickness of the tongue coating in order to assess the depth of the disease, tongue coating thin white, that is, the disease is still shallow; if the tongue coating thick white, more for the heart meridian has heat mixed with phlegm (water metabolism disorders in the formation of the pathological products) or food accumulation (food indigestion and accumulation of food in the stomach). Guiding Chi San is composed of Radix Rehmanniae Praeparata, Radix et Rhizoma Mucilaginae, Radix et Rhizoma Glycyrrhizae, etc. It has the efficacy of clearing the heart, inducing diuresis and nourishing Yin. It is used for treating fire-heat syndrome of the heart meridian. Symptoms include irritable heat in the heart and chest, thirst and redness of the face, desire for cold drinks, as well as sores on the mouth and tongue; or heart-heat moving to the small intestines, redness and stinging pain in the urine, red tongue, and number of pulses. It is often used in the treatment of stomatitis, thrush, children’s night crying and other heart meridian with heat. The adverse reactions and contraindications are not clear, the above prescription needs to be used under the guidance of a traditional Chinese medicine practitioner to avoid self-medication, so as not to cause adverse consequences.