Two months baby crying after vaccination is generally normal. Usually vaccination is intramuscular injection in the arm, there will be a certain degree of pain, and the baby is relatively small, will express the pain through the form of crying, at this time to give appropriate appeasement can be, such as praise the baby, pat the baby’s back, or give the baby some toys to divert attention, relieve the pain. If the baby continues to cry after the vaccination, you need to pay attention to the vaccination site is abnormal, whether there is redness and swelling, whether accompanied by systemic symptoms of discomfort. If there is an abnormality, you need to seek medical help to clarify whether an allergy has occurred, causing the baby to cry all the time, you can follow the doctor’s instructions to use antihistamines or glucocorticosteroids to relieve the symptoms. Vaccination is a simple and effective measure to prevent infectious diseases, parents need to bring their babies to the vaccination station or community health center on time for vaccination, not because of the baby’s pain, crying or stopping the vaccine, which is harmful to the baby. After vaccination, the injection point should not touch unclean things, such as bath water, dirty hands, etc., so as not to cause infection.