There are few reports of prostatic and periprostatic abscesses in children, and diagnosis is often difficult due to the lack of early symptoms. In addition, children with autism spectrum disorder may have difficulty reporting symptoms, with and without cognitive impairments. This article reports the case of a five-year-old boy with autism spectrum disorder and multiple prostatic abscesses caused by . He also had various vitamin and mineral deficiencies, presumably related to an unbalanced diet. The patient was treated with antibiotics, vitamins, and trace elements. After his blood vitamin and trace element levels returned to normal, he experienced no fever or relapse. The cause of this prostatic abscess was suggested to involve vitamin and trace element deficiencies.