The dangers of oral mucosal hemangiomas may lead to periodontitis, interfere with eating, develop low self-esteem, and other dangers. Oral mucosal hemangioma includes hemangioma of gums, tongue, lips and other parts. 1. Gingival hemangioma: it often causes bleeding of gums when brushing teeth, which leads some patients not dare to brush teeth; when hemangioma violates tongue, it often easily causes periodontitis, accompanied by pain and aggravation of bleeding. 2. Patients with hemangioma of tongue: due to the huge tongue body can not be accommodated in the oral cavity, sticking out of the lips and mouth, which seriously affects eating, can not chew food, and can only drink liquid diet, leading to physical weakness. 3. Lip hemangioma: due to the mutation and enlargement of hemangioma, it will lead to deformation of lips and mouth, affecting eating and speaking, and if not treated in time, it will ultimately lead to the decline of physique, low self-esteem and other problems. If the patient suffers from oral mucosa hemangioma, it is recommended to seek medical treatment in time, under the guidance of doctors, improve the relevant examination, clarify the cause of the disease, and symptomatic treatment.