You can eat seafood in small quantities after taking H. pylori medicine. For patients suffering from Helicobacter pylori infection, whether or not in the treatment period, can eat a small amount of seafood, do not eat too much, so as not to aggravate the burden of the gastrointestinal tract. Because seafood is not easily digested and absorbed, eating too much at once may increase the burden on the stomach, which may lead to increased gastric discomfort and is not conducive to the recovery of the condition. Helicobacter pylori is usually parasitized in the gastric mucosa tissue, and patients often have a combination of chronic gastritis and peptic ulcer and other diseases. It may lead to gastric mucosa congestion, edema, erosion phenomenon, which is manifested as epigastric pain, acid reflux, belching and other phenomena, so the diet during the treatment needs to be light. Seafood is tender, flavorful, and nutritious, containing a lot of high-quality protein, and contains calcium, phosphorus, iron and other minerals, and seafood does not belong to spicy stimulating food. Therefore, during the treatment of H. pylori, a small amount of seafood will not cause adverse reactions and can also provide nutrition. If there is a need for medication, it should be used under the guidance of a doctor, and not blindly used on its own, so as not to cause adverse consequences.