Red spots on the vulva can be caused by a variety of reasons, including skin allergies and vulvar diseases. 1. Skin allergy: red spots on the vulva may be caused by skin allergy, for example, the material of close clothing is relatively more irritating to the skin, it is recommended to replace the close clothing with other materials. 2. Vulvar diseases: red spots on the vulva may also be caused by vulvar diseases such as vulvar skin hyperplasia, dermatosclerosis and folliculitis, etc. It is recommended to go to the hospital for a detailed examination according to one’s own actual situation, for example, whether there is itchiness, hyperplasia, and whether there are symptoms of localized swelling and pain to make a diagnosis. Red dots on the vulva alone can not accurately determine the cause, but also need to be combined with the characteristics of the medical history, other test results to make an accurate judgment, it is recommended that the cause of the disease under the guidance of the doctor, targeted treatment.