A woman with a pins and needles sensation in her lower body usually refers to a tingling sensation in the vulva, which may be caused by trauma, genital herpes, vulvar folliculitis, vulvar ulcers and other factors. 1. trauma: vulva due to collision, friction and other traumatic factors, resulting in local skin ulceration, clothing friction, secretion stimulation and other conditions will lead to the vulva pinprick feeling of pain. 2. genital herpes: the disease is generally caused by herpes simplex virus infection, patients will appear in the vulva blisters, vesicles, ulcers and other lesions, causing pinprick sensation, recurrent genital herpes is more obvious. 3. Vulvar folliculitis: this disease is usually caused by bacterial infection, the patient’s vulva will appear in the follicle-centered papular lesions, friction, secretion stimulation will appear pins and needles. 4. Vulvar ulcers: the disease may be related to viral infection, tumors, drug allergies and other factors, the skin of the vulva breaks down, the patient will appear obvious pain, sometimes manifested as pinprick pain. Women with pins and needles in the lower body may also be associated with mosquito bites, vulvar inflammation, syphilis and other factors, it is recommended to consult a doctor in time to identify the cause of the disease.