Pizhou City, Suzhou collects Chinese herbal medicines. Jiangsu Chinese herbal medicine purchasing station is located in Jiefang Road, Pizhou City, Jiangsu Province. Traditional Chinese medicine (TCM) refers to substances that are used to prevent, treat and diagnose diseases under the guidance of TCM theory and have the functions of rehabilitation and health care. Traditional Chinese medicine mainly comes from natural medicines and their processed products, including plant medicines, animal medicines, mineral medicines and some chemical and biological products.