The dorsal arch of male Yunnan box turtles is higher, the top is pointed, the rear edge of the plastron is slightly pointed, the tail is long, and the cloacal hole is far away from the base of the tail; Obtuse, slightly semicircular posterior margin of plastron, stubby tail, cloacal foramen closer to the base of the tail.

You can also place the abdomen of Yunnan box turtle upside down, The tortoise's limbs and head are retracted into the human shell, and the turtle's tail is straightened. If it is a male turtle, you can see that the junction is turned out from the cloaca hole, in the shape of a black umbrella. The female's cloaca only discharges bubbles or thin mucus.