There are several reasons for baby’s fever and tummy pain: first, it may be caused by indigestion and food accumulation, baby usually eats too much, or eat cold and stimulating food, which can easily lead to indigestion and gastroenteritis, should eat less and more meals, do not let baby eat unclean food and junk food outside, drink more warm water, eat some probiotics to regulate intestinal flora if necessary, if the inflammation The most obvious symptom of appendicitis is fever, stomach pain, mainly pain in the right lower abdomen, should promptly go to the hospital, under the guidance of the doctor, check the blood routine and abdominal ultrasound, according to the results of the examination to treat the symptoms, if diagnosed necessary to do surgery to remove the appendix.