Itching on both sides of the buttocks may be caused by physiological factors such as unclean hygiene, or it may be caused by diseases such as eczema and ringworm, which need to be improved by general treatment and medication. 1. Physiological factors: If the daily hygiene habits are poor, can lead to the buttock skin residual dirt. This leads to localized skin itching, patients should pay attention to personal hygiene, keep the skin clean and dry. 2. Eczema: Itchy buttocks may be caused by eczema, patients should not scratch the affected area. It is recommended that patients apply hydrocortisone, dexamethasone and other glucocorticoid ointment as prescribed by the doctor, which can relieve itching and help anti-inflammatory. 3. ringworm: itchy buttocks on both sides may also be due to ringworm, patients need to improve poor hygiene habits, you can follow the doctor’s instructions for topical clotrimazole, miconazole and other antifungal drugs, to help sterilize. There are many reasons for itching on both sides of the buttocks, in the exclusion of physiological factors, it is recommended that patients seek medical examination, clear causes, with the doctor for standardized treatment.