How to take away red bumps on your lips?

Red bumps: One needs to establish an accurate diagnosis of the red bumps. Without actually seeing the bumps, it is difficult to render a diagnosis and therefore an effective treatment regimen. You may have angiomas, peri-oral dermatitis, Actinic Keratoses, etc? Treatments will vary for these various conditions. You should visit a Dermatologist for further evaluation.

Depends on the cause: Need to find the cause to get the appropriate treatment.