Prepared Rhei Radix et Rhizoma attenuated purgative activity and enhanced blood circulation.It was widely used in medical department

surgical department

department of pediatrics

department of obstetrics and gynecology

emergency departments and infectious diseases department.It was suitable for elderly patients with body deficiency

infants and young children

pregnant women or patients with chronic diseases

and it had valuable clinical application value.However

the quality of prepared Rhei Radix et Rhizoma in the market is uneven due to unclear processing parameters and quality control markers in the processing process

thus affecting the clinical efficacy.By referring to the related literature and books in recent years

this paper summarized the processing history

modern processing technology

pharmacodynamic material research

pharmacodynamic effect and clinical application of prepared Rhei Radix et Rhizoma

in order to provide theoretical reference for subsequent processing of this decoctiong pieces.