The method of distinguishing male and female tortoises is as follows:

1. The carapace of male tortoises is long and narrow, the center of the plastron is slightly inward, the tail is thick and long, and the base of the tail is thick, The cloaca is far from the rear edge of the plastron, and the notch formed by the two anal shields of the plastron is deeper and the angle of the notch is small.

2. Female tortoise with thick-necked tortoise has shorter carapace and wider , The plastron is flat with no depression in the center, the tail is thin and short, the base of the tail is thin, the cloaca is closer to the rear edge of the plastron, the notch formed by the two anal shields of the plastron is shallow, and the angle of the notch is large.