Nanhuang museum of traditional Chinese medicine. Tangxia Town, which belongs to Dongguan City, Guangdong Province, is located in the southeast of Dongguan City, bordering Qingxi Town in the east, Huangjiang Town in the west, Fenggang Town and Shenzhen guanlan street in the south. According to public comments, the largest pharmacy in Tangxia is yiguang in South Yellow River. Chinese medicine shop refers to a shop that specializes in selling Chinese medicine.