There are more reasons for itchy labia and granular feeling when touching, which may be vulvitis, pseudo warts, allergy, and may also be considered to be related to sexually transmitted diseases. 1. Vulvovaginitis: physical and chemical stimuli cause non-specific vulvovaginitis, resulting in increased secretions and localized irritation, which may cause itching and a granular sensation to the touch. 2. Pseudowarts: Pseudowarts can occur in the female pubic area and appear as granular protrusions. The majority of patients have no conscious symptoms, a small number of patients may feel local itching, mucous membrane surface is not smooth. 3. Allergy: food, drugs, unqualified hygiene products, local stimulation caused by allergies, may lead to local itching, granular feeling. 4. Sexually transmitted diseases: Infection by human papilloma virus, HPV, causes warts. Herpes virus infection causes genital herpes, which can also lead to localized itching and a granular sensation to the touch. The itchy labia, feel the particulate sensation may also exist other reasons, it is recommended to timely visit the hospital, improve the relevant examination, under the guidance of the doctor to clarify the cause of the disease, targeted treatment.