Anesthesiologists wear green or red during surgery, while others wear blue. Every time, the color of the anesthesiologist's surgical gown is different from others. In Japan, anesthesiologists usually wear crimson clothes.

The image of a doctor has always been wearing a white coat, so many people subconsciously think that doctors should wear white and treat people like pure white angels. In fact, doctors wear white for a reason, mainly because of the nature of their work. Doctors' clothes must be cleaned and disinfected. In addition to white, other colors may fade due to bleaching. White is not only convenient for cleaning, but also saves the trouble. White will make people feel gentle and help to relax the patient's body and mind.