Yu Ping Feng San is indicated for patterns of spontaneous sweating due to exterior deficiency. Sweating, aversion to wind, a pale complexion, a pale tongue with a thin and white coating, and a floating, deficient pulse mark the clinical manifestations. It is also used for deficient constitution and deficient Wei Qi that is vulnerable to external wind pathogens. It is inappropriate for sweating due to external contraction or night sweat due to yin deficiency. Treasure of the East® herbal formulas are full-spectrum, pharmaceutical-grade, and extracted with only purified water to replicate a traditional decoction. They are produced by Tianjiang Pharmaceutical, the world's largest producer of herbal granules, in a facility that is fully automated and computer-controlled to ensure quality and consistency. Products are tested extensively in Tianjiang's CNAS National Laboratory, yielding high-precision data regarding each herb's identity, origin, the concentration of effective components, heavy metals, pesticide residues, and proper dosage in concentrated form. Tianjiang's production protocols for concentrated herbal extracts have been internationally recognized and adopted into the pharmaceutical and food standards of the China Food and Drug Administration.