Excerpted from Bensky:  Chinese Herbal Medicine Materia Medica, 3rd ed.

• Aromatically transforms dampness, releases the exterior, and dispels summerheat:  for dampness obstructing the middle burner as well as summerheat-dampness and damp-warmth.*
• Harmonizes the middle burner and stops vomiting:  most commonly used in cases of nausea or vomiting due to dampness obstructing the middler burner.  Can also be used for other types of vomiting, and for morning sickness, when combined with appropriate herbs.*
• Treats dermatosis:  for dermatosis affecting either the hand or feet.*