Objective: The purpose of this study was to report the improvement of two children with attention deficit hyperactivity disorder (ADHD) following herbal treatment according to the provision of Shanghanlun.

Methods: We diagnosed patients on methylphenidate for ADHD as no. 26 provision in Taeyangbyung, and analyzed the improvement from the medical records, teachers' statements, The Korean Version of Inattentive/overactive with Aggression-Conners Rating Scale(K-IOWA CRS).

Results: We found a change in the symptom after Baekhogainsam-tang administration. In the first case, the K-IOWA-CRS score changed from 12 to 8 during the previous 70 days of treatment, however, surged to 21 without Baekhogainsam-tang treatment. The score stabilized to 8 after 49 days later. In the second case, the score changed from 9 to 3 following Baekhogainsam-tang treatment.

Conclusions: These cases show behavioral improvements with Baekhogainsam-tang treatment in ADHD children, who were diagnosed with no. 26 provision according to Shanghanlun.

KeyWords : Baekhogainsam-tang, Baihujiarenshen-tang, Byakkokaninjinto, ADHD, Shanghanlun, K-IOWA-CRS