Introduction to the open-air hot spring bath: Yingtai open-air hot spring bath is divided into nine pool areas: warm in winter and clear in summer, wise man's music, Chinese medicine valley, Wuxiang pool, Wengong pool, imperial concubine pool, green bamboo pool, Xiaoyao pool and drunken pool, filling the There is no space for open-air bathing during winter tourism in southern Shandong. The open-air hot spring bath can not only adjust functions, nourish skin, and improve health, but also allows visitors to experience the unique feeling of "bathing in hot springs, admiring plum blossoms and snow".