The following causes of wheals are considered: first, wheals are caused by poor eye hygiene, poor eye hygiene, inattention to cleaning the eyes, leading to bacterial infections that cause wheals, or overuse of the eyes, leading to mucosal inflammation, leading to wheals; second, wheals are caused by poor function of the lid gland, as the glandular outlet of the lid gland is obstructed, which can easily lead to bacterial growth. The third reason is that it is too much spicy food, which can lead to inflammation, and the lid gland’s secretion can easily lead to granuloma.