Oral polio vaccine should pay attention to the following points: 1, when taking it should be fed with cold boiled water, do not use hot boiled water and human milk to avoid affecting the immune effect. 2, if the daily diarrhea up to 4 times a day in the last week or the baby has fever and other symptoms of systemic discomfort, suspend oral. 3, the vaccine should be stored in low temperature, and should be stored at -20 degrees Celsius to be applied. 4, the age of polio vaccine for the 2, 3, 4 months of age, each time to take a pill, 4 years of age to strengthen a time, two doses of vaccine must be more than one month interval between. 5, after taking polio vaccine if the baby appears fever, it is necessary to pay close attention to, so as not to cause polio-related vaccine reaction, pay attention to observe the baby limbs activities.