Babies are afraid of both cold and heat. Generally speaking, baby refers to infants and young children. Infants and young children’s thermoregulatory center and the nervous system is not well developed, so both fear of cold and fear of heat, parents must be based on the weather conditions and the temperature of the environment to the child to wear clothes. 1. Babies are afraid of cold. Pediatric subcutaneous fat is small, poor tolerance of cold, in the cold winter, if you wear too little clothing is easy to catch a cold, there will be respiratory infections, such as common colds, serious and even bronchitis and pneumonia, so we must add clothes in a timely manner to do a good job of keeping warm. 2. Babies are afraid of heat. Hot summer, the environment temperature is too high, the baby outdoor activities for too long, because of the age of small, immature secretion of sweat glands, prone to heat stroke, serious and even dehydration symptoms, so try to let the baby stay in the summer in the shade and ventilation. If the baby has a cold, heatstroke and other conditions, it is recommended to consult a doctor in time.