Young parents are often at a loss when faced with abnormalities in their babies, some run to the hospital three or four times a night, but the child has no major problems; some with limited medical knowledge, haphazardly get some drugs to cope with the matter, and delayed the disease. So, what should happen to send your baby to the hospital emergency room? If your child has the following conditions, you should send him to the emergency room as soon as possible: a. Fever: The baby’s axillary temperature reaches or exceeds 38 degrees. Cough: 1. Cough with shortness of breath, nasal agitation, and bruised lips. 2. Hoarse voice, coughing sound like breaking, coughing for more than 2 days, with fever. 3. Sudden onset of shortness of breath, shortness of breath, inability to lie down, infants cannot cry or drink. Vomiting: 1. Infants and children vomit violently and almost all the food they eat is vomited. 2. Vomiting coffee-like or blood-like substances. 3, jet vomiting, especially with fever or after a heavy blow to the head. Diarrhea: 1.Diarrhea more than 4 times a day, or stools in the form of sticky jelly. 2, stool like tar or jam-like. 3.No urine for more than 8 hours a day, accompanied by dry mouth and lips or sunken eyes. V. Pain: 1, severe pain, infants show hands holding the head or pulling hair. 2. Pain in the bladder when the head is turned or the infant cries “woah” when the head or neck is touched. 3. Severe pain in the abdomen, infants show crying or loud crying when touching the abdomen when changing diapers. Skin lesions: 1. Unexplained redness and swelling of the skin, or a large area of pinpoint red spots or bruises. Erythema, papules, blisters, etc. on the chest, abdomen, head and face. 2. Facial swelling centered on the earlobe sometimes accompanied by fever or difficulty in opening the mouth. Swollen lymph nodes: swollen lymph nodes under the jaw, in the neck or other parts of the body. Accidental injuries: 1. Difficult to soothe violent crying after a fall or muffled, non-crying, with vomiting after landing on the head. 2.Children who cry more than once after their upper limbs are pulled and have obvious tenderness may be experiencing dislocation of the elbow joint. The joint is obviously swollen when injured and cannot exert force or the limb appears deformed. 3.Electrical shock, burns, drowning, car accidents, etc. 4.Poisonous insect bites, cat and dog bites, etc.