How to check the sub-health detector HRA, and draw blood or something?

HRA system focuses on early screening of diseases, and it is best to eat or drink water before the exam. HRA is the most important thing. The detection of biological activities and physiological functions of various organs of the body, the prediction of potential risk factors and the development direction of diseases all require fasting items: blood lipid, blood sugar, liver function, abdominal B-ultrasound, barium meal examination and other blood tests. Therefore, fasting blood glucose test can reflect the real situation in human blood.