A toddler with a swollen anus and a white sore needs to be considered for surgical treatment depending on the situation. A young child with a swollen anus and a white sore is considered to be a perianal abscess, which can be regulated with topical or oral medications under the guidance of a doctor. Topical drugs can be used under medical supervision erythromycin ointment, fusidic acid cream, zinc oxide ointment, etc., combined with bacterial infections can be taken orally with antibacterial drugs such as cefixime, which can effectively prevent the further spread of perianal abscesses, thereby reducing pain. The above drugs need to be under the guidance of a doctor for medication to avoid adverse reactions and effects. If the effect is not good, you can take the abscess incision and drainage and other surgical treatment. The toddler anus swollen a long white sores recommended to go to the hospital to identify the cause of the disease, and then according to the cause of targeted treatment. In daily life, should maintain the hygiene around the anus of young children, eat more fresh vegetables, fruits, diet simple and easy to digest food, avoid spicy, cold and irritating food and so on.