The filiform hyperplasia on the tongue ligament is considered to be the presence of fibroma, filiform papillitis and other diseases. 1. Fibroma, if the patient has a fibroma, the fibroma may compress the tongue skin when it increases in size, so the symptoms of filiform hyperplasia on the tongue tie may appear. 2. Filiform papillitis, if there is chronic inflammation of the tongue, such as fungal infection, vitamin B deficiency, may lead to changes in the dermal and mucosal lining of the tongue, so this symptom may occur, and there may also be swelling, congestion, burning and other symptoms of the tongue. If you notice the appearance of such symptoms, it is recommended that you seek medical examination to determine whether or not the disease has arisen.