Turtle is widely favored in the market because of its rich nutritional value and medicinal value. Its breeding methods are divided into pond culture and greenhouse culture. The outer pond culture has some disadvantages, such as low breeding density, deep water body requirements, poor water exchange conditions, temperature difference between the upper and lower water layers, large seasonal impact on the water environment, poor controllability, long breeding cycle, etc., but it has a variety of advantages, such as sufficient sunshine, fish and shrimp can be carried out at the same time; Instead, use solar energyHot water systemThe simulated greenhouse culture of soft shelled turtle can better solve the problems existing in the outer pond culture.