Infants crying hard before urination may be due to urinary discomfort, or may be due to diseases such as urethritis and cystitis. 1. urinary discomfort: due to the baby’s age, the stomach will be slightly distended before urination, the baby will not speak, there may be a reflexive slight discomfort, manifested as more than crying. If there is no other discomfort, it is a normal phenomenon. 2. Urethritis: Urethritis is mainly caused by gonococcal and nongonococcal pathogens, and mothers with the disease can infect their newborns through childbirth. Affected children will appear urethral itching, painful urination, urethral discomfort and other symptoms, because the baby can not speak, may be manifested as a strong cry before urination. 3. Cystitis: Cystitis can be caused by bacterial infection, low immunity and other factors. The child will have symptoms such as urinary urgency, painful urination and burning sensation in the urethra, which may be manifested by the infant crying hard before urinating. There are many reasons for infants to cry hard before urinating. Parents are advised to bring their children to regular hospitals to undergo relevant examinations so as to find out the cause of the disease.