Menopause vulva always red rash can be seen in senile vaginitis, mycosis vaginalis, skin eczema, folliculitis, skin fungal infections. 1. senile vaginitis: the main reason is ovarian hypogonadism, estrogen level decreases leading to lesions of the skin and mucous membrane of the vulva, often manifested as increased vaginal secretions, vulvar itching, burning sensation, vulvar red rash. 2. Mycotic vaginitis: mostly caused by Pseudomyces yeast infection, often manifested as vulvar itching, vulvar rash, increased tofu scum-like secretion, burning pain in the vulva, pain during sexual intercourse, and pain during urination and other symptoms. 3. skin eczema: such as long-term wearing of impermeable underwear, easy to induce eczema, often manifested as: itching or burning sensation of pinhead to corn size papules, papules, the base of the redness, when serious, can be fused into a piece, oozing, ulcers and so on. 4. Folliculitis: if the follicular canal is blocked, it is easy to become infected and folliculitis occurs, which is manifested as localized red dots protruding from the skin, and the top of the dots can be white after maturity. 5. Fungal skin infections: If the vulva is infected by fungus, there may be localized red or dark red papules, blisters, round or semi-circular lesions, accompanied by itching and other symptoms. There are many other causes of red rashes on the vulva during menopause, which require timely medical treatment to avoid aggravation of the condition.