Babies have poor resistance and their systems and organs are developing, so it’s not surprising that they are prone to infections. But when unwell, the baby can not express clearly in words what discomfort, in fact, every time the baby is sick before there are a variety of body “signal” to the mother hint, remind the mother to pay attention to, early detection of the baby’s condition. 1, the baby’s body temperature rises The baby’s normal body temperature should not exceed 37.5 ℃. If it exceeds 37.5℃ for a short time, and then drops to normal in no time, there is no need to panic, and don’t think it is “fever”. Because the baby is still small, the thermoregulatory center is not perfect, in a short period of time the body temperature is normal to rise. For example, sudden excitement, temperature rise …… slightly the influence of some external conditions, the babies’ body temperature will easily rise. If the body temperature is above 37.5℃ and lasts for a period of time, it may be a fever. If it is also accompanied by other symptoms, you should go to the hospital. Parents should be alerted once the baby’s temperature exceeds 39°C. There are many reasons for fever, mostly due to bacterial or viral infections. It can be relieved by taking medication, and physical cooling under the guidance of the doctor. 2. Crying and restlessness If your baby is crying and restless, and is depressed and has a poor appetite, your mother should first determine if your baby has a fever, and if the temperature is too high after measurement, you should immediately send your baby to the hospital for further diagnosis. Usually babies will use crying to express their needs or discomfort, and mothers can use different cries to help determine their needs or whether they are sick. Infant crying can be divided into physiological crying and pathological crying. When a baby has unexplained crying, the mother should first look at the physiological perspective to see if the baby is hungry, wet, sleepy, etc. After eliminating them one by one, then consider pathological factors, and if necessary, send them to the hospital in time. 3, mental depression If the baby suddenly both eyes straight, dull gaze, abnormal performance, it may be the precursor of convulsions, the mother should immediately take the baby to the hospital for treatment. If the baby’s mental condition is very poor, little movement or longer time does not move, grasping his hand is not responsive, relatively quiet, do not cry or fuss. That baby may be suffering from a very serious disease, need to be sent to the hospital immediately to confirm the diagnosis. 4, poor appetite, not eating, crying after eating, drooling. If your baby refuses to eat (milk), or cries constantly after eating (milk) with drooling. The mother can carefully observe the inside of the baby’s mouth to see if there is any breakage or oral infection. Not eating and crying. If your baby refuses to eat, cries loudly, and likes to breathe with his mouth open, it is likely that his nasal cavity is blocked by secretions and dirt, and he cannot breathe smoothly. The mother can first check the baby’s nose and clean out the dirt inside. 5. Abnormal stool If your baby’s stool smells sour, half of it is due to indigestion caused by eating too much. For babies who eat formula, control the amount of milk appropriately. There is blood in the stool. Your baby’s stool is bleeding. The mother should first observe its color: if it is bright red, you can first check whether the baby has anal fissures or polyps; if the color is darker or has mucus, less amount, or mucus, pus and blood, you should consider whether the baby is suffering from enteritis or dysentery, you need to go to the hospital immediately.