Fucoidan Assisted Eradication of Helicobacter Pylori

Inclusion Criteria:

1. Age 18-65 years old;
2. Patients diagnosed as HP positive;
3. Patients who have not received HP eradication treatment in the past, or who havefailed in the early eradication but have not received eradication treatment withinhalf a year;
4. Voluntarily participate in this trial and sign the informed consent form.

Exclusion Criteria:

1. Allergic to the study drug (penicillin allergy, etc.);
2. Patients with chronic gastritis and peptic ulcer;
3. Patients who have received HP eradication treatment within half a year;
4. Antibiotics and bismuth agents were used 4 weeks before the start of the studytreatment, and histamine H2 receptor antagonists or PPIs were used 2 weeks before thestart of the study treatment;
5. Use adrenocortical hormones, non steroidal anti-inflammatory drugs or anticoagulants;
6. History of esophageal or gastric surgery;
7. Pregnant and lactating women;
8. Suffering from serious accompanying diseases, such as liver disease, cardiovasculardisease, lung disease, kidney disease;