Julong Spring is the largest, most widely distributed, the highest water temperature hot spring in the Changbai Hot Spring Group, composed of dozens of places or large as bowl mouth or small as fingers of the spring eyes, distributed on the ground of 1000 square meters, countless hot streams from the ground, like a group of dragons spraying water, so the name Julong Spring. Julong Spring is not far from Changbai Waterfall, and the Erdaobai River flows through the hot spring group. The minerals that have been deposited near the hot springs for many years have rendered the bottom of the pool colorful, like beautiful canvases, a faint smell of sulfur is filled with the air, and bubbles continue to emerge from the water. Julongquan is a high-heat hot spring, put in eggs, short time is ripe, egg yolk solidified, egg white does not solidify, at the same time there is a faint sulfur smell, just eat salt noodles with a special flavor. There is also a fresh green grass growing next to the hot spring, which is a precious variety of bottle grass growing under this temperature condition, which can resist high temperature! These hot springs are proof that Changbai Mountain is a volcano, indicating that the magma after the eruption of Changbai Mountain is not exhausted, or that there is volcanic activity deep underground.