General routine preoperative tests include: 1. Blood count + clotting time. 2.Liver and kidney function + trisomy. 3.HIV+RPR or TRUST. 4.Blood lipids. 5.Electrocardiogram and chest X-ray. If you are over 45 years old or have a history of diabetes, you need to add blood glucose examination, and for those who need liposuction for breast augmentation, add mammography and breast MRI examination.