The outside of living Rana chensinensis is generally yellow with green, and there are irregular black spots in the middle of its back, and the pattern of "human" can be seen roughly. The air-dried forest frog is green, and the pattern of "human" remains unchanged. You can directly search for "Xiaohui Nourishing Health Pavilion" in Baidu, which has pictures and text descriptions. I believe you will understand at a glance.