Gingival papillomas are usually caused by endocrine disorders, malnutrition, and improved oral hygiene. 1. Endocrine disruption: endocrine disruption is mainly due to the patient’s endocrine elevation during pregnancy can easily lead to the occurrence of gingival tumors, which can easily lead to the gingival papillomas become smaller after delivery. 2. Malnutrition: Malnutrition may lead to weak absorption, which may result in the gingival papilloma becoming smaller. 3. Improved oral hygiene: Gingival papilloma may be caused by poor oral hygiene, oral hygiene is conducive to promote the recovery of the patient’s condition, so that the gingival papilloma becomes smaller. It is recommended that patients go to the hospital for examination, reasonable treatment under the guidance of the doctor, and regular review.