White pus spots in the baby’s throat are usually caused by bacterial infections, hand, foot and mouth disease, herpes pharyngitis and other conditions. 1. Bacterial infections: white pus spots in the baby’s throat can be caused by bacterial infections such as tonsillitis, usually accompanied by a sore throat, fever and other symptoms. 2. Hand, foot and mouth disease: hand, foot and mouth disease caused by enterovirus infection can also make the baby throat white pus spots, some serious patients may also be accompanied by high fever, headache, cough, runny nose and other symptoms. 3. Herpetic pharyngitis: Herpetic pharyngitis caused by coxsackievirus group A can also lead to the baby’s throat with white pus spots, usually accompanied by throat redness, swelling, fever and other symptoms. There may be other reasons for the white pus spots in the baby’s throat, so it is recommended to improve the examination to clarify the cause of the disease, and then treat it with the help of the doctor.