The palatopharyngeal arch is a normal tissue of the oropharynx, bilaterally symmetrical in a semi-arc, with mucosal tissue on the surface and palatopharyngeal muscle in the depth. The small bumps on the palatopharyngeal arch are clinically associated with the following diseases: 1. The most common is papilloma, often caused by papillomavirus infection is a benign lesion, but adult papilloma can be malignant. It is characterized by pink, papillary or mulberry-shaped masses of different sizes, which can be multiple, tipped and with clear borders. 2. It is a mucosal polyp-like change, which may be caused by repeated stimulation of inflammation in the throat leading to inflammatory polyp-like changes in the mucosa, forming small bumps that can be treated surgically and are not harmful. 3. Early malignant tumors, which have a cauliflower-like appearance, hard texture, unclear borders, and an unsmooth surface, The surface is not smooth. The incidence is relatively low, such as squamous cell carcinoma, and special examination should be performed if necessary, such as taking tissue biopsy. Pay attention to diet, drink more water, eat less cold, spicy and stimulating food, avoid smoking and alcohol, pay attention to oral hygiene, and rinse your mouth in time after meals to avoid food residue.