If the tongue is red and vivid with cracks, use Sha Shen Maidong Tang, Yi Stomach Tang and Liu Wei Di Huang Wan; if the tongue is pale and white with cracks, use Gui Spleen Pill; if the tongue is covered with moss and there is no discomfort, there is no need to use medicines. According to the symptoms and tongue and pulse identification, we can use traditional Chinese medicine prescription, such as red tongue with cracks and dry throat and cough, sputum is small and sticky, which is lung yin deficiency can be used for Sha Shen Mai Dong Tang plus subtractions; such as hunger, dry vomiting and nausea can be used for stomach yin deficiency can be used for Yi Gastric Tang plus subtractions. If there are kidney yin deficiency manifestations such as lumbar and knee soreness and weakness (lumbar and knee soreness and weakness), hot flashes (a burst of fever), night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), etc., add or subtract Six-flavored Digoxigenin Pill. If the tongue is pale white with cracks and there is fatigue (mental exhaustion, physical weakness), yellowish color (yellowish without luster), blurred vision, insomnia, dreaminess, forgetfulness, palpitation (rapid heartbeat, often accompanied by panic), etc., it belongs to blood deficiency, and can be used to add or subtract Gui Spleen Pill. If there are shallow cracks and the tongue is covered with moss without discomfort, it is a congenital cracked tongue and no medication is needed. If you have a cracked tongue, do not take medication without authorization, but use medication under the guidance of a doctor.