Rotavirus is a common virus of autumn diarrhea, easy to cause children to appear, vomiting fever, diarrhea, stools can reach about 10 to 20 times, the child is very easy to appear dehydration (less urine, poor mental state, fontanel depression) symptoms, so correct its dehydration, relieve the period of diarrhea symptoms, in fact, the most fundamental. 1, with probiotics, such as Bifidobacterium bifidum or Bacillus subtilis, once half a packet a day, three times, half an hour after meals, be sure to use 40 ℃ below the lukewarm water 2, with the elimination of Cadroxil, once a packet twice a day, this is able to promote digestion and absorption, able to alleviate the diarrhea, and the probiotics can be spaced out in two hours. 3, more than four times a day stools, watery stools plus montelukast. 1/3 packet at a time, three times a day, half an hour before meals, this is to stop diarrhea. 4, oral rehydration salts solution, 20 to 30 milliliters per kilogram of body weight, within four hours to the child to drink, you can point more delicious food to the child to take, especially for the vomiting more serious children. 5, autumn diarrhea can easily lead to secondary lactose intolerance, so the child is prone to eat milk on the situation, this time you can use anti-diarrhea milk powder or with lactase to deal with.