1. The carapace of wild turtles with carapace is yellow-green or olive-green, and the surface is smooth; The carapace of cultured Trionyx sinensis is gray and rough.

2. Look at the wild turtle with limbs and claws. Its limbs are stout, its claws are hard and sharp, and its color is yellow. The cultured soft-shelled turtle has thin and weak limbs, soft and blunt claws and white color.

3. Look at the thick skirt of the wild turtle skirt; The skirt of cultured turtle is very thin. In addition, there is a low-quality and low-priced turtle that also pretends to be a wild turtle. Turtles are generally fat and grow fast, with dark green or black carapace, a row of thick wart grains in front and a mass of wart on each side of the base of the neck, which is easy to identify.