A woman’s back itch may be caused by physiological factors such as localized cleaning is not in place, or it may be caused by contact dermatitis, ringworm, neurodermatitis and other diseases. 1. Physiological factors: If you do not often clean the local area, it may lead to local dirt and bacterial residue, thus causing back itching. 2. Contact dermatitis: due to the allergic reaction that occurs when the patient’s back is in contact with certain easily sensitized or irritated items, the patient will have local symptoms such as redness and swelling of the skin, pimples and other symptoms, accompanied by intense itching, which can be seen on the trunk, limbs and other parts of the body. 3. Ringworm: the cause of the disease is mainly related to ringworm infection. Patients will appear localized pimples, erythema, flaking and other symptoms, which can be accompanied by different degrees of itching. 4. Neurodermatitis: it may be related to neuropsychiatric factors, endocrine disorders, local stimulation and other factors, clinically mainly manifested as itchy skin, mossy changes, preferably in the neck, back, elbow, lumbosacral and other parts. Women’s back itch for more reasons, it is recommended to go to the regular hospital to consult the examination, clear cause.