Slow transit constipation (STC) is a disease of kinetic disturbance in the lower digestive tract, clinically manifesting mainly dysporia, prolonged discharging time and abdominal distention. The disease is protracted, with its cause unknown and no safe and effective treatment. In light of the effective treatment for constipation with crude Rhi-zoma Atractylodes alba (RAA) reported in litera- Slow transit constipation (STC) is a disease of gene disturbance of the lower digestive tract, clinically manifesting largely dysporia, prolonged discharging time and abdominal distention. The disease is protracted, with its cause unknown and no safe and effective treatment. In light of the Effective treatment for constipation with crude Rhi-zoma Atractylodes alba (RAA) reported in litera-