The stone frog with a line on its back is called the golden thread frog. According to the query of relevant public information, the golden-threaded frog, referred to as the golden-threaded frog, is an amphibian of the family Ranaidae. It has a green back, yellow stripes on the dorsal folds and behind the thighs, wider dorsal folds, and inner legs. The process pole is developed into a blade shape and forms a clear angle with the free edge of the first toe. Its length is 2/3 of the length of the first toe. Males have a pair of internal vocal sacs on the pharyngeal side. The golden-threaded frog has a medium-sized body shape among frogs. Large, the adult body is about 5 to 8 centimeters, the female is slightly larger than the male, the body is green, there is a light green dorsal midline in the center of the back, and there is a thick raised dorsal fold on each side of the body.