Causes of a crooked tongue in a 5+ year old include teething, mouth ulcers, short tongue tie and facial paralysis. It is necessary to consult the doctor in time to find out the cause and give symptomatic treatment. 1. eruption of permanent teeth: due to the child’s tooth replacement time at about 6 years old, part of the child will be more than 5 years old began to change teeth, milk teeth gradually loosened, permanent teeth began to erupt, the child’s gums will be distended and painful, resulting in the symptoms of crooked tongue, along with the eruption of the permanent teeth, the symptoms will be gradually alleviated, generally do not need to do special treatment, do a good job of the child’s oral health care can be. 2. Mouth ulcers: Because of the child’s poor oral hygiene, oral infection, etc., resulting in mouth ulcers, showing the above symptoms. It is recommended to give anti-infection treatment in time and assist oral care. 3. Short tongue tie: Due to congenital dysplasia of tongue tie or hereditary factors, children over 5 years old have short tongue tie and show symptoms of crooked tongue. It is recommended to make a clear diagnosis in time and give symptomatic treatment as soon as possible. 4. Facial paralysis: The child suffers from intracranial infection or intracranial tumor, facial neuritis, etc., which leads to the dysfunction of the lingual nerve and manifests the above symptoms, and needs to be treated as soon as possible for the primary disease. It is recommended to go to the hospital in time to clarify the specific triggering factors and give symptomatic adjustment or treatment in time to avoid delaying the condition.