The causes of 2 soybean-sized hard bumps on the lips of the vulva of women include folliculitis, sebaceous cysts, warts, lipomas, and so on. 1. Folliculitis: in the case of folliculitis, this is due to bacterial invasion of the hair follicle, resulting in necrosis of the hair follicle after the proliferation of fibrous tissues, so the phenomenon of hard bumps. 2. Sebaceous cysts: when the sebaceous glands secrete abnormally more, after blocking the pores can form cyst-like material, so there are bumps. 3. Warts: If the human body is infected by the human papilloma virus, these viruses will stimulate the skin, resulting in skin tissue proliferation, there will also be symptoms of women’s labia vulgaris long 2 soybean-sized hard bumps. 4. Lipoma: If various factors lead to a rapid increase in fat cells, so the formation of soybean-sized bumps. When a woman finds 2 soybean-sized bumps on her vulvar lips, she should consult a doctor in time to find out the cause and treat the symptoms.