Pediatric fever in the lower abdomen may be a normal physiological phenomenon, or it may be caused by dermatitis, generalized fever; it can be treated with general therapy, the use of ibuprofen and other drugs. 1. Physiological phenomenon: human body surface temperature is not the same, some different parts of a large difference. The lower abdomen is at the intersection of the upper and lower extremities, more clothing, when the hands are cold, may feel feverish when touched. It is recommended to measure the body temperature, if the body temperature is normal, at the same time the skin appearance is not abnormal, you can observe. 2. Dermatitis: When contact dermatitis of the lower abdomen occurs, it may lead to a rise in local skin temperature, and then local redness, swelling, heat and pain may occur. The symptoms can be relieved by topical application of glycerite. 3. Systemic fever: pediatric fever in the lower abdomen may be a manifestation of systemic fever, such as acute upper respiratory tract infection, need to measure the body, if high fever, need to ibuprofen antipyretic, and at the same time to find the cause of fever, the cause of treatment. Pediatric fever in the lower abdomen, there are other reasons, it is recommended that if you exclude physiological reasons, you should actively seek medical attention to find the cause of the above medication should follow the doctor’s instructions.