If there are small bumps inside the lips, taking anti-inflammatory and antibiotic drugs can eliminate them if they are caused by infectious factors. First, the anti-inflammatory drugs that can be taken include cephalosporin, penicillin, roxithromycin, azithromycin, and ofloxacin, all of which can treat small bumps inside the lips. Secondly, if the bumps inside the lips are caused by viral infection, you can take anti-viral medications such as oseltamivir or ribavirin, ganciclovir and other medications, all of which can treat bumps caused by viral infection due to herpes on the lips and mouth. Small bumps on the lips caused by hand, foot and mouth disease need systematic treatment, such as the application of antiviral drugs while taking nutritive drugs, such as B vitamins and other drugs can be treated. Third, fungal infections caused by small bumps on the lips, you can take fungal drugs such as clotrimazole and so on can be treated. Fourth, serious ulcers in the mouth should also use saline or 0.1% chlorhexidine gargle, can relieve the small bumps in the lips.