this herb is used for patterns with

dampness, all kinds of bi syndrome, dampness obstructing the middle jiao, wind-dampness, wind-cold, summer-heat.

 symptoms indicating the use of cang zhu

anorexia, diarrhea, epigastric distention and pressure, fatigue, nausea and vomiting, fever, headache, body aches, nasal congestion, leg qi, atrophy disorders, vaginal discharge, leucorrhea, swollen, sore joints, night blindness, reduced vision.