The summer heat, how can “in the cold”? In fact, in recent years. There are more and more summer cold disease, such as “air conditioning disease”, “refrigerator disease”, “ice cream disease”, “cold drink syndrome “and so on, especially the threat to children. First, the threat of air conditioning disease 1, air conditioning disease is the main threat to children First, the child’s adaptation to changes in environmental temperature and regulatory function is not sound; Second, in the air-conditioned room, the closer to the ground the lower the temperature, the child is located in the coolest lower level, the most vulnerable to cold; Third, the air pollution in the airtight air-conditioned room (such as formaldehyde gas emitted by furniture), but also make children the most vulnerable. 2, the most common symptoms of air conditioning disease nasal congestion, nasal itching, cold, tears, etc.; some may also have fever, diarrhea and cough and other symptoms of upper respiratory tract infection; there can also be headaches, calf pain, lower limb weakness, sleep restlessness, etc.. 3, how to prevent air conditioning disease infants and children in principle is not suitable for air conditioning, if you must use air conditioning, do not let the baby blow directly into the air conditioning. Be sure to turn off the air conditioning at night before sleep. There are children’s room temperature should be constant at about 26 ℃, to be 2 ℃ higher than the norm, the temperature difference between indoor and outdoor temperature should not exceed 7 ℃. Open windows frequently to ensure fresh indoor air. In the air-conditioned room to wear appropriate cotton underwear, to prevent cold and cold. Second, the refrigerator hidden crisis 1, pediatric gastrointestinal easy to “hit” excessive low temperature, the refrigerator food and drink than the human stomach temperature is 20 ~ 30 ℃. Will lead to rapid vasoconstriction of the stomach mucosa, spasm, triggering “refrigerator gastritis”, “refrigerator enteritis”; especially children are in the stage of growth and development, too much cold drinks or cold food is more likely to cause damage to the gastric mucosa. Many bacteria, viruses can tolerate low temperature, in the refrigerator can still be preserved, with food into the intestinal tract, but also cause abdominal pain and diarrhea and other acute gastrointestinal inflammation. Reminder: the refrigerator is not sterilization safe. 2, how to prevent refrigerator disease refrigerator can not be stored in contaminated, corrupt food. Whether frozen, refrigerated, storage time should not exceed 1 week. Raw and cooked food is divided into bins, and encapsulated in plastic bags. Stored cooked food must be heated and boiled after eating, melon and fruit wash clean before eating. Regular cleaning and disinfection of the refrigerator, once a week in summer. Pay special attention to scrubbing the seams, shelves and corners. Baby food utensils and bottles should not be put into the refrigerator to avoid contamination, and should be put in a dry cabinet and disinfected before use.