Pediatric vocal cord polyps are confined lesions of the lamina propria of the vocal cords, which are usually found at the edge of the anterior and middle 1/3 junction of one side of the vocal cords, and are translucent, white or pink polyp-like tissues with smooth surface, mostly single or multiple on one side, with tip or wide base, often grayish white and translucent, or small red protrusions, with tip often moving up and down with breathing, and the large ones can block the vocal cords to cause breathing difficulties and affect pronunciation, which is one of the most common It is one of the most common diseases that cause hoarseness. The main symptoms are: 1. hoarseness. Non-tipped polyps have a greater impact on the voice than tipped polyps and are more persistent. The hoarseness is obvious at the free edge of the vocal folds, and less at the upper surface, while large polyps with a wide base can cause loss of voice. 2. Change of voice range. It is manifested as monotonous tone or reduced range of voice. 3, articulation fatigue. The degree of fatigue is related to the size, location and softness of polyps. 4.Throat pain and throat discomfort. Symptoms such as pain in the throat and throat clearing when pronouncing. 5.If the vocal fold polyp is huge, blocking the vocal folds can cause inspiratory laryngeal wheezing and breathing difficulties. 6.Polyps hanging in the subglottis can cause irritating cough.