Tooth-marked tongue caused by Yang deficiency of the spleen and kidney and internal storage of water-dampness is useful to take Radix Rehmanniae Pills. Motherland medicine believes that changes in the quality of the tongue can reflect the state of the organism. Tongue with teeth marks, known as dentate tongue in Chinese medicine, refers to the traces of teeth indentation on the edge of the tongue. It is mostly considered to be related to spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys), water-dampness internalization (water-dampness stays in the body), or spleen qi weakness (weakness of the spleen qi). Clinically, Chinese medicines that warm cold and dampness, strengthen the spleen and benefit the qi are often used to regulate the condition. Radix Rehmanniae Pill is a proprietary Chinese medicine composed of Radix Rehmanniae Praeparata, Radix Codonopsis Pilosulae, Rhizoma Atractylodis Macrocephalae, Radix et Rhizoma Atractylodis Macrocephalae, Radix et Rhizoma Dry Ginger, Radix et Rhizoma Glycyrrhizae Praeparatae, and has the efficacy of warming yang and dispelling cold, tonifying the qi and strengthening the spleen, and is mostly used in treating the symptoms of a pale tongue with a wet, moist, and juicy or slippery tongue and a tongue that is marked by tooth marks due to the deficiency of the yang of the spleen and kidneys, as well as the symptoms of a fear of coldness, fatigue, coldness, coldness and pain in the abdomen, coldness and weakness in the limbs, etc. The adverse reactions and contraindications of taking Radix Rehmanniae Pill are not clear, and it is recommended to use it under doctor’s supervision. If the patient’s manifestation of dentate tongue is serious, or the symptoms persist and do not improve, please consult a doctor promptly and do not self-medicate.