Highlights: Laozishan Hot Spring is located in Hubin Road, Laozishan Town, Hongze County, Huai'an City. The spring water is excellent and unique. The mountain village makes full use of rare natural resources and opens up a new hot spring. It is an indoor hot spring on a large scale, and there are leisure projects such as fish therapy, a volcanic mud bath, and a children's bath. Large and small pools and a beautiful and quiet environment make it very suitable for young and old visitors.