Why did the eunuch paint his face white?

Beijing opera oil white represents treacherous and calculating figures. ! Opera mask is a special spectral pattern outlined by various colors on the faces of opera actors. Facebook is divided into various colors. The so-called color refers to the main color of the face, including red, purple, white, yellow, black, blue, green, pink, gray, light blue, ochre, brown, gold and silver. Facial lines on Facebook are often lined with other colors, which plays a role in rendering the main color. Red, black and yellow are often mixed with oil.