1.The full set of models demonstrates all the various settings for abnormal delivery, inflated bony pelvic stenosis. 2.According to the real human body structure, it is highly simulated and works like a real human body. The complete model set shows various normal and abnormal situations for easy viewing and teaching. 3.It has the characteristics of vivid images, real operation, convenient disassembly and assembly, reasonable structure, and durability. Therefore, you can repeat the training until you fully master this medical skill. 4.Applicable to clinical teaching teaching and practice training of students in medical colleges, nursing colleges, occupational health colleges, clinical hospitals and primary health units. 5.This full set of models demonstrates the female childbirth process,the anatomy is very standard.