A tongue that is high on both sides and low in the middle may be associated with diseases such as furrowed tongue, median rhomboid tongue, and ulcers on the edge of the tongue. 1. Grooved tongue: also known as cleft tongue, the etiology of which is unknown, and most of them are thought to be caused by congenital developmental abnormalities. Clinical manifestations of the back of the tongue with grooves, surrounded by tongue hypertrophy, inspection of the tongue can be seen on both sides of the high middle low. Generally there are no conscious symptoms, if the groove residual food residue secondary infection, can appear dry, pain and other discomfort. 2. Median rhomboid tongue: it is a rhomboid-shaped inflammatory lesion occurring in front of the dorsal herringbone groove of the tongue, which can be manifested as the tongue is high on both sides and low in the middle, usually with no self-conscious symptoms, and sometimes there can be burning pain or irritation pain when eating. 3. Tongue edge ulcer: mostly due to teeth misalignment or eating too fast, resulting in traumatic ulcers on the edge of the tongue, swelling and hyperplasia of the tongue around the ulcers, manifested as the tongue is high on both sides and low in the middle. There may be other causes of low tongue in the middle and high sides of the tongue, so we should consult the doctor in time, improve the examination, clarify the cause and diagnosis, and standardize the treatment under the guidance of professional doctors.