A look at the various parts of the turtle. Those with complete appearance, no injury or disease, muscular hypertrophy, shiny abdominal armor, blurred back shoulder blades and ribs, thick and upturned skirts, thick and strong legs and agile movements are excellent turtles; On the contrary, it is an inferior turtle.

Second, grasp the turtle's anti-leg nest by hand, such as fast-moving, kicking around, fierce and powerful turtles; If the activity is inflexible, the four feet move slightly or even don't move, it is an inferior turtle.

The third inspection mainly checks whether there are hooks and needles in the turtle neck. Soft-shelled turtles with hooks and needles cannot be kept for a long time and transported for a long distance. Inspection method: You can stimulate the turtle's head with a hard bamboo chopsticks, let it bite, then pull the chopsticks with one hand to lengthen its neck, and touch it with the other hand.

Fourth, try to turn the turtle upside down and lay it flat on the ground. If it can be turned over quickly, and it can escape quickly and move flexibly, it is a superior turtle; Such as slow turnover and slow action, are inferior turtles.