The appearance of cracks on the tip of the tongue is usually not considered a precursor of a major disease, but can be considered as a result of physiological factors, such as the environment is too dry for a long time, coupled with too little water, making the mucosa of the tongue drier, thus causing the longitudinal lines of the tongue to appear on the surface and produce, generally after removing the cause can gradually alleviate, without special treatment. In addition, due to autosomal dominant inheritance, some people are born with shallow cleft grooves and cracks on the tongue, which can appear at the tip of the tongue and are usually covered with tongue moss and no discomfort, called congenital cleft tongue. In addition, it is considered to be related to trauma, vitamin deficiency and disease factors. 1, trauma: such as not chewing slowly when eating, resulting in sharper bones, fish spikes and other items cut the tip of the tongue, or swallowing when biting the tip of the tongue, can appear tongue cracks, usually accompanied by pain. If the wound is small, it can generally heal on its own, pay attention to keep the mouth clean, if the wound is larger, you need to promptly seek medical attention, suture processing; 2, vitamin deficiency: vitamin B2 can prevent inflammation in the mouth, if the vitamin deficiency due to improper diet structure, can lead to oral mucosal ulcers, linguitis, lipitis and other diseases, thus manifesting as the tip of the tongue has cracks, or even erosion of the situation. Need to increase the intake of vitamin-containing food, if necessary, under the guidance of a doctor to supplement vitamin preparations; 3, disease factors: such as diabetes, chronic enteritis, cirrhosis of the liver, etc., due to long-term consumption of disease caused by dehydration of the body, which leads to the tip of the tongue has cracks. For example, diabetic patients can have vertical lines from the tip of the tongue to the center of the tongue, and the deeper and longer the cracks indicate that their blood sugar is higher, and some patients will slowly heal as their blood sugar decreases. If you feel unwell and have a cracked tongue recently, you can go to the hospital for a physical examination to clarify your health condition and find out the problem in time for treatment. In addition, from the perspective of Chinese medicine, cracked tongue is often related to the individual’s constitution at the time, and belongs to the Chinese medicine tongue diagnosis within the scope of a sign, commonly in the heart fire, lung fire, burning yin, fluid loss and other symptoms, if the patient feels some recent physical discomfort, and the performance of cracked tongue, you can also go to the Chinese hospital for treatment and conditioning.