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

1. The carapace of female tortoises is short and wide, the plastron is flat with no depression in the center, the tail is thin and short, and the base of the tail is thin and leaky. The genitals are closer to the posterior edge of the plastron, the notch formed by the two anal shields of the plastron is shallow, and the angle of the notch is larger.

2. Male tortoises have long and narrow carapaces, The center of the plastron is slightly inward, the tail is thick and long, and the base of the tail is thick.

3. The pattern on the abdomen of the male tortoise is sparse, while the pattern on the abdomen of the female turtle is dense. Male tortoises turn black as they mature, while females remain tan.