Tongue cracks more and more to consider may be cracked tongue, suggesting that there may be yin and blood deficiency, innate endowment insufficiency (congenital constitution and function is not good) due to kidney deficiency and fluid depletion and so on. Cracked tongue is a regular or irregular fissures on the tongue surface of the main abnormal tongue, also known as cracked tongue or tongue on the tortoise (refers to the cracks on the tongue surface shaped like a tortoise dorsal lines). The onset of the site to the middle of the tongue, tongue on both sides of the common, typical symptoms seen in the middle of the tongue or tongue on both sides of the depth of the tongue or the direction of the arrangement of the size of the tongue, how many grooves, as little as one or two, or more full of the tongue surface. More and more cracks on the tongue may be related to deficiency of qi and yin, blood deficiency, yin deficiency, kidney deficiency and fluid depletion. 1. Deficiency of qi and yin: it may be due to congenital insufficiency or acquired dietary deficiencies, vomiting and diarrhea injuring the zinc, the zinc can not be transformed into qi, damaging the qi and yin of the spleen and stomach, so that the tongue loses its moistening and nourishment, leading to more and more cracks on the tongue. 2. Blood deficiency: It is mostly due to prolonged illness that depletes the body’s qi and blood, or a deficiency of qi and blood itself that causes the tongue to be deprived of moistening, resulting in more and more cracks on the tongue. 3. Yin deficiency: mostly due to prolonged illness or fever that depletes the body’s yin fluid and burns the tongue’s fluid, resulting in a lack of fluid and more and more cracks on the tongue. 4. Kidney deficiency and fluid depletion: it is mostly due to the lack of innate endowment, and the lack of fluid leads to more and more cracks on the tongue. If you have more and more cracks on your tongue and feel uncomfortable, you should consult a doctor in time to clarify the cause of the disease and receive standardized treatment.