It is a dinosaur that lived during the Jurassic period, known for its unique large bony spines on its tail and spiny bone plates on its back. Relatively large in size, typically up to 9 meters in length and 4 meters in height. Jianlong is a herbivorous dinosaur that crawls on four legs, mainly supported by its forelimbs and propelled by its hind limbs. Its head is relatively small, and its jaw has teeth for cutting plants. The tail end has sharp spikes that may be used for self-defense. Fossils were first discovered in the 19th century and remain a hot topic of research for dinosaur enthusiasts and paleontologists to this day.

The stegosaur is an animal belonging to the family Stegosauridae in the suborder Stegosauria of the order Ornithischia, also known as the Bone Plate Dragon. The head is small, and the tip of the mouth has a bird like pointed beak without teeth. The teeth are distributed on both sides of the mouth and are very small. Strong and robust in appearance, weighing up to 4 tons, with 5 toes on the front legs and 3 toes on the back legs; The front legs of the stegosaur are slightly shorter, while the hind legs are longer and more robust. Jianlong is named after its large sword board and sharp tail spikes on its tail. Living in the late Jurassic to early Cretaceous period. The diet is herbivorous. Due to their small teeth, they cannot grind plants and can only eat some low moss or fern plants.

The stegosaur is an animal belonging to the family Stegosauridae in the suborder Stegosauria of the order Ornithischia, also known as the Bone Plate Dragon. The head is small, and the tip of the mouth has a bird like pointed beak without teeth. The teeth are distributed on both sides of the mouth and are very small. Jianlong is named after its large sword board and sharp tail spikes on its tail. Jianlong is distributed in China, the United States, and the United Kingdom, and lived from the mid to late Jurassic period to the early Cretaceous period. Their diet is herbivorous. Jianlong is a giant dinosaur with a peculiar appearance, known as the "roofed reptile" by people.