Children always say their buttocks hurt may be caused by trauma, eczema, folliculitis and so on. 1. Trauma: if the child accidentally falls or gets hit, the buttock pain will appear. 2. Eczema: when subjected to allergens, irritants, microorganisms, changes in environmental temperature or humidity, sun exposure and other related, the child will appear self-conscious itching intense, if the skin lesions, will lead to the child always say buttock pain. 3. Folliculitis: the disease is mainly due to bacterial, fungal and other pathogens caused by hair follicle infections, but also with mite parasites, the body’s immune function, and accompanied by redness, swelling, heat and pain, can be self-conscious buttocks itching, pain and other discomforts. Children always say buttocks may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.