People with chronic gastritis who have erectile dysfunction can take tadalafil tablets under the direction of a physician, and at the same time, chronic gastritis should also be anti-Helicobacter pylori, improve the symptoms of gastric discomfort. Tadalafil tablets are useful for the treatment of erectile dysfunction in men, and need to be contraindicated for those who have a history of allergy to any of the components of the product, those who are using nitrate drugs, those whose loss of vision on one side is caused by optic neuropathy (non-arterial causes), and those who are suffering from cardiac diseases. Chronic gastritis is not a contraindication to the use of the drug, so there are indications for the use of the drug can be used. Common adverse drug reactions include headache, back pain, myalgia, limb pain, dyspepsia, nasal congestion, flushing. In addition, the most common cause of chronic gastritis is Helicobacter pylori infection, which can be eradicated by using a four-pronged drug combination (e.g., esomeprazole + bismuth colloidal pectin + furazolidone + amoxicillin). Specific medication should be taken under the guidance of a specialist, and should not be used without authorization.