Cracks at the base of the tongue may be due to the development of furrowed tongue, or may be caused by dry syndrome, psoriasis and other diseases. 1. furrowed tongue, the generation of furrowed tongue is related to many factors, age, lack of vitamins in the body or the body’s resistance to decline may lead to the root of the tongue with cracks. 2. Dry syndrome, some patients with dry syndrome due to the salivary gland and lacrimal gland function is impaired, there may be dry mouth and dry eyes symptoms, and there may also be cracks in the base of the tongue symptoms. 3. Psoriasis, if psoriasis has appeared due to autoimmune affected, may lead to changes in the skin of the tongue body, so the root of the tongue with cracks symptoms. If this symptom occurs repeatedly, it is recommended to consult a doctor in time for examination and treatment.