舌头上有裂纹,可能是患有沟纹舌,也叫裂纹舌或脑回舌,建议到医院明确诊断。这种病在10岁前的发病率较低,随着年龄增长,发病率逐渐增高,其主要表现是舌背有不同形态、不同排列、不同深浅长短的沟纹或裂纹,当舌尖抵于下前牙而将舌头拱起时更为明显,一般没有不适感,少 There are cracks in the tongue, may be suffering from grooved tongue, also known as crack tongue or brain tongue, it is recommended to the hospital a clear diagnosis. The incidence of this disease before the age of 10 low, with age, the incidence rate gradually increased, the main performance is the tongue back has different forms, different arrangement, different depths of the groove or crack length, when the tip of the tongue arrived Anterior teeth and the tongue arched when more obvious, generally no discomfort, less