Can you tell me where to go or how to check up on a 1.6-year-old girl.…

Can you tell me where to go or how to check up on a 1.6-year-old girl. When she sits down sometimes she cries, in terms of hygiene everything is normal, we take her out during the day without diapers only at night we put on a diaper. Is it possible that we may have chilled that area, but she doesn't sit on cold things to think about this, but she loves to walk barefoot often and her feet are cold, could this be the cause?