HP infection may aggravate maternal discomfort, such as vomiting, anemia, preeclampsia, etc., and increase the risk of adverse pregnancy. The infection rate is high in my country and is mainly transmitted through oral and fecal-oral transmission. Prevention focuses on hygienic habits, regular physical examination, and C14/C13 breath test. For pregnant women who are infected, treatment for mild cases can be delayed, but for severe cases, timely medical treatment is required.