1. Is it guaranteed to open the window for ventilation 2 times a day for 30 minutes each time? (Cold days can be reversed room by room ventilation, children and adults in the feed unopened windows of the room). Because of the lack of ventilation, the air is high in bacteria and viruses, which is most likely to cause the child to be infected. 2, adults come home from outside whether to wash their hands before holding the child? Because do not wash their hands outside bacteria and viruses brought back, easy to infect the child. Especially after a day of crowded buses, contact with more than 10 people. It is best to go home and wash your hands, wash your face and change your clothes before you hold your child. 3, whether often with children to public places? If you often take your child to the supermarket and other public places where the air is not circulating, there are a lot of bacteria and viruses inside, which can easily be transmitted to your child. 4.Is the child on time for medical checkups and vaccinations? If the physical examination on time can find out whether the child has anemia and zinc deficiency and other problems. These problems will lead to the child’s resistance is weak, easy to be infected. Therefore, it is necessary to have medical checkups on time and take iron and zinc supplements under the doctor’s guidance. 5. Did you fail to wear a mask and isolate your family members after they caught a cold? Family members should stay masked after catching a cold, wash hands frequently, isolate and strengthen ventilation. You can smoke vinegar to sterilize. Prevent your child from getting infected. 6.Do you pay attention to the timely addition or subtraction of children’s clothes? When the weather changes, add or subtract clothes to your child in time to prevent your child from catching a cold after sweating. 7.Do you give your child antibiotics when he/she is sick? If the child is sick on antibiotics, some viral colds do not need antibiotics also abuse, ultimately leading to the child’s resistance to decline, easy to recurring infections. It is recommended to use antibiotics sparingly, under the guidance of a doctor when you must use them, and not to use advanced antibiotics casually. The common cold does not need antibiotics as much as possible. 8, whether in the three ambient days and the three nine to the child to paste the traditional compresses? If the child’s resistance is weak, easy to recurring colds, parents should take the child in the three volts and three nine to the Chinese medicine department to paste the three volts and three nine stickers, which can enhance the resistance and reduce the child’s chances of being infected. 9, whether the child every day to eat fruit? If you can’t insist on giving your baby fruits, the lack of vitamins will also lead to the child’s weak resistance and repeated infections. It is recommended that babies after adding complementary foods are guaranteed a (child’s) fist-sized fruit every day. 10. Do parents who watch over their children get the flu vaccine during the high flu season? Parents who babysit should get the flu vaccine in the fall and winter to reduce the chances of their children getting infected.