Tongue numbness belongs to the category of “tongue paralysis” in Chinese medicine. Tongue numbness is characterized by insufficiency of blood in the heart, blood stasis in the heart veins, wind and phlegm obstruction and so on. 1. Cardiac blood deficiency: manifested as pale and numb tongue, accompanied by pale or yellowish color, palpitation, shortness of breath, insomnia, dreaminess, forgetfulness and so on. 2. Blood stasis obstructing the heart veins: manifested as tongue numbness and tongue pain, which may be accompanied by poor fluency in speech, heartburn, dull tongue, visible petechiae, etc. 3. Wind and phlegm obstruction syndrome: the symptoms of tongue numbness and strong, can be accompanied by dizziness, numbness of the limbs, or suddenly fall down, crooked mouth and eyes, hemiplegia, and so on. If the symptoms of tongue numbness are not relieved for a long time or accompanied by other discomforts, it is necessary to consult a doctor in time to find out the cause and carry out targeted treatment.