•Strongly dries dampness, strengthens spleen - low appetite, diarrhea, epigastric distention, fatigue, vomiting, greasy tongue coat. •Expels wind-damp-cold (bi-syndrome) in extremities. •Clears damp-heat from lower burner (combine with clear-heat herbs, however, as this has a warm nature (for example, Er Miao San) - vaginal discharge, swollen and sore joints. •Induces sweating, release the exterior. •Improves vision.