THEORY 1.Using principles of human biotechnology. 2.8 Point -electrode contact : There are two parts of each electrode used to measure the human body's elements and also to be used to measure the elements in various parts of the body's resistance value in accurately. 3. Use of multiple regression analyzer of the frequency and increase the scope of measuring to enhance accuracy. 4. Implementation of intelligent control, touch-operation; visualization application interface, allowing users to learn easy, safe and easy to operate. 5. Can store up to 120 complete historical records. 6. The structure of a clear, easy to install and easy to maintain. 7. The results of the analyzer in order to be able to approach the output statements