Bad lips are commonly found in people suffering from chronic lip infection, lip herpes, corners of the mouth erosion or oral erosion, for these people to supplement vitamins and trace elements, you can use dietary supplements, such as eating more fresh vegetables and fruits, while ensuring a balanced nutrition, coarse grains, cereals, lean meat, fish, eggs, soy products, etc., should have the right amount of intake to supplement adequate trace elements; you can also You can also take oral vitamin tablets, such as vitamin C tablets, vitamin E tablets, zinc gluconate oral solution or iron supplements to supplement. Patients suffering from herpes labialis can take antiviral medications, such as oral antiviral oral solution or Banlangen granules, and can also apply acyclovir ointment to the blistered part of the lips for local antiviral treatment. Bad lips may also have a bacterial infection around the corners of the mouth, which can then be treated with localized erythromycin ointment for localized anti-inflammation.