The cricoid cartilage itself is a protruding structure, and when touched with the hand, the protruding part of the cricoid cartilage can be clearly felt, and the cricoid cartilage is less protruding than the thyroid cartilage above it. The protrusion of the thyroid cartilage is the human laryngeal node, but the protrusion of the cricoid cartilage is also obvious, so this is a normal physiological phenomenon and does not require special treatment. However, if there is significant pain around the cricoid cartilage and difficulty in breathing, and the trachea does not feel clear, certain tests should be performed, such as bronchoscopy, to see if there are other lesions in the cricoid cartilage, as well as hyperplasia and foreign body jamming in the middle, etc. CT scan of the area can also be performed to further clarify what causes the pain and other symptoms, and to provide targeted treatment. The CT scan of this area can also be performed to further clarify the cause of the pain and other symptoms and to provide targeted treatment.