Jade has the effects of "removing heat in the stomach, shortness of breath and irritability, nourishing the hair, nourishing the five internal organs, softening the muscles and strengthening the bones, quenching thirst, nourishing the heart and lungs, aiding the voice and throat, soothing the soul, benefiting the blood vessels, improving the ears and eyes" and can calm people down. Body and mind, calm down and calm down. People with a little medical knowledge generally understand that the hand and wrist are the end of human blood circulation, and the return of blood depends entirely on the pressure of the heart.