Norfloxacin is an anti-infective drug that is effective for stomach pain caused by infectious diseases and not significantly effective for stomach pain caused by non-infectious diseases. Norfloxacin belongs to the quinolone class of antibiotics and has a broad-spectrum antimicrobial effect, especially on gram-negative bacilli. The drug is suitable for genitourinary tract infections, intestinal infections, skin and soft tissue infections caused by sensitive bacteria. Tummy ache, or abdominal pain, can be seen in a variety of diseases. Abdominal pain caused by intestinal infections can be treated with norfloxacin. For other diseases caused by abdominal pain, such as intestinal obstruction, gastric and duodenal perforation and so on, there is no significant effect. Norfloxacin can cause serious adverse reactions such as tendonitis, tendon rupture, peripheral neuropathy, etc. Its use is strictly prohibited for those who are allergic to the drug. It is recommended to consult a doctor in time to find out the cause of abdominal pain and use the drug under the guidance of a professional doctor.