The weak-lipped stream salamander is a tailed amphibian of the family Hynomidae and the genus Hynomidae. It lives in high mountainous areas at an altitude of 3,500 to 3,900 meters, often inhabiting lush vegetation and extremely humid environments on the ground. It is often found in the moist environment of the roots of the medicinal plant, Notopterygium incisum.
This salamander has medicinal value, but its population has decreased due to overexploitation and the decline in the ecological environment quality of its habitat.
Listed in the second level of the "List of National Key Protected Wildlife in China".