Formal. According to the inquiry Aiqicha found out: Xuyi Puyi Foot Therapy has registered a trademark and has been certified by the industrial and commercial department. It has a legal business license and health license, so it is formal. Xuyi Puyi Foot Bath Service Department was established in 2013 and is located in Huai'an City, Jiangsu Province. It is an enterprise mainly engaged in resident services.