General norfloxacin capsules can not be given to children to take, especially the age of 18 years old or younger, the application of norfloxacin is easy to cause cartilage dysplasia, which affects bone development. Because norfloxacin belongs to the quinolone class of antibiotics, quinolone class of antibiotics including norfloxacin, ofloxacin and so on, will cause bone impact, not suitable for children to apply. Some parents in the usual acute gastroenteritis, often apply norfloxacin, can achieve good clinical results. But because of children’s liver and kidney function and physical state, especially the skeletal system and adults are not the same, can not be in accordance with the same adults, the application of norfloxacin is not recommended.