Blue is ill to pneumonia and large intestine have auxiliary therapy effect, but the person that has invigorative feeble, blue disease is unfavorable contact blue, can accentuate otherwise illness.

• 蓝色对肺病和大肠病有辅助治疗作用，但患有精神衰弱、忧郁病的人不宜接触蓝色，否则会加重病情。