A 10-year-old child with white pus in the anus is considered to be a perianal abscess, eczema, boils and so on. 1. Perianal abscess: the main clinical manifestations of this disease are pain and fever, severe can also cause general discomfort, fatigue, elevated body temperature, chills and fever, etc. Infection is the main cause of this disease, often due to constipation, spicy stimulating food, sedentary or anal fissure and other triggers. The most common pathogenic bacteria are Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, etc. White pustules can be seen in the perianal area before the abscess breaks down in the early stage. 2. Eczema: Perianal eczema can be caused by dampness, untimely perianal cleaning, sweat stimulation, etc. Rash-like pimples can appear accompanied by itching and other symptoms, manifesting white pustules in the anus. 3. boils: due to the sebaceous glands near the anus gland drainage is not smooth by bacterial infection, or skin soft tissue suppurative infection will appear local redness, swelling and pain and even pus formation. 10-year-old child anus with white pus may also be other reasons, please go to the regular hospital in a timely manner, clear the cause of the active treatment, so as to avoid aggravation of the condition, do not self-medication in order to avoid the adverse effects, and dietary prohibitions on spicy and stimulating food, maintain local cleanliness and hygiene.