A 2 year old child can hang up with a pediatrician or a urologist to check for normal genitalia. 2-year-old children normal genital penis should be protruding from the skin, may still be in the state of circumcision, but there should be a penis body outside the skin, if only the foreskin is exposed outside the skin, you should consider whether there is a hidden penis, the scrotum has bilateral testicles, and testicular symmetry, if there is only one side of the testicles, you need to consider whether there is a cryptorchidism, etc., hang up with the Department of Pediatrics or urology can be checked whether the reproductive organs are normal. The pediatrician or urologist can be consulted to check if the reproductive organs are normal. If a 2-year-old child has abnormal urination or abnormal development of the genitals, he or she needs to go to the hospital for examination and treatment as prescribed by the doctor.