Tongue contour papillitis can be self-healed after removing the causative factors. 1. The tongue contour papillae are located at the back of the tongue and are arranged in a herringbone shape. The causes of contour papillitis include systemic and local factors. Systemic factors are common, such as malnutrition, anemia, fungal infections, antibiotic abuse, endocrine disorders, and vitamin deficiencies. 2. Local factors include long-term chronic irritation from sharp teeth, calculus and poor restorations. After correcting anemia, supplementing vitamins, and grinding the tips of teeth to remove calculus and other undesirable stimuli, lingual papillitis can be cured by itself. Therefore, tongue contour papillitis can be self-healing after removing systemic and local causative factors, and those who have the habit of sticking out their tongue for self-checking should break the habit, and go to stomatology for medical treatment if necessary.