Objective To observe symptom changes of Helicobacter Pylori-positive functional dyspepsia(FD) on the eradication of Helicobacter Pylori infection.Method Group A received omeprazole 20 mg,colloidal bismuth subsitrate 240 mg,amoxycillin 1000 mg and furazolidone 200 mg,all twice daily;Group B received ranitidine 150 mg twice daily and domperidone 10 mg three times daily.The terms for both groups were one week.Four weeks after treatment the main symptoms changes and total efficacy was compared. Results The...