(1) energetic, able to undertake daily life and heavy work without feeling too nervous and tired.
(2) optimistic, positive attitude, willing to take responsibility, no matter big or small, not picky.
(3) Be good at rest and have a good sleep.
(4) Strong adaptability and adaptability to various changes in the external environment.
(5) It can resist the common cold and infectious diseases.
(6) Appropriate weight, well-proportioned figure, and coordinated head and shoulder position when standing.
(7) Bright eyes, quick reaction and no inflammation of eyelids.
(8) clean teeth, no dental caries, no pain, normal tooth color, no bleeding.
(9) The hair is shiny without dandruff.
(10) Full muscles and elastic skin.