There are several possible causes of red bumps on women’s private parts: 1. It may be because of gynecological inflammation, common vaginitis, pelvic inflammatory disease, endometritis, tubal inflammation and other gynecological diseases, especially when it comes to vaginitis, which can easily lead to red bumps on women’s private parts. The most common cause of vaginitis is due to the presence of bacterial infections such as Staphylococcus aureus, E. coli and other common bacteria. When a woman’s vagina is infected by these bacteria, it can lead to an increase in the permeability of the skin mucosa of the vaginal wall, as well as the permeability of the small arteries and capillaries, which can lead to bruising and edema, as well as cell necrosis, shedding and exudation of inflammatory substances, all of which can lead to redness and swelling of the female private parts and the accumulation of inflammatory substances, which can lead to red bumps on the female private parts. 2, Women over 40 years of age should be suspicious of tumor diseases, such as endometrioma, vaginal transverse myoma, etc. When women suffer from tumors in the early stages, they show red bumps on their private parts.