The impact of Helicobacter pylori on pregnancy preparation depends on the severity of the symptoms. If the symptoms are mild or moderate, treatment will be delayed. If the symptoms are severe, medication should be used with caution during pregnancy. The mother\’s infection does not directly affect the fetus, but it may be transmitted to the child through the mouth or unclean feeding. People with bad breath and stomach discomfort need to be tested. C13 and C14 breath tests are common methods. Specific groups of people, such as couples preparing for pregnancy and patients with stomach problems, should be tested and timely supplemented with beneficial bacteria to suppress germs.