How to distinguish the dragon constellation at night

Draco is a constellation that can be seen all year round in the northern night sky. It is located in the north of the northern corona. It really looks like a dragon, and it often meanders between Ursa Major, Xiao Xiong Major and Ursa Major, spanning a wide range of the sky. Gaolongtou is close to Wuxian County and consists of four stars, forming a quadrilateral. The long dragon body encircles the North Star for half a circle. The faucet consists of four stars: 2, 3, 4 and 5. A straight line leads from the two stars in the faucet bucket to the north, and you can find the North Star. Tianlong's head is located in the north of Wuxian County, and its long dragon body encircles Polaris for half a circle. It is an arched constellation, which can be seen all year round in the northern hemisphere.