The causes of cracked tongue are mainly due to deficiency of yin and blood, blood deficiency without moistening, and congenital cracked tongue.
1. Yin and blood deficiency: the tongue is reddish-red and cracked, mostly due to the evil heat blazing, yin fluid injury, or yin deficiency fluid loss, so that the tongue is not moistened, tongue atrophy.
2. Blood deficiency without moistening: pale white tongue with cracks, mostly blood deficiency without moistening. Because of blood deficiency, the tongue cannot be glorified, and the essence cannot be moistened, the tongue can be cracked.
3. Congenital cracked tongue: if the tongue is born with shallow cleft grooves and cracks, the cracks are generally covered with moss, and there is no discomfort, it is called congenital tongue cracks, and it should be differentiated from pathological cracks.
Cracks in the tongue may also have other reasons, it is recommended that after the occurrence of cracks in the tongue, timely medical treatment by traditional Chinese medicine, do not self-medication, so as not to delay the condition.