Why is the People's Liberation Army military cap green

First of all, the military cap is not all green. China's navy's military cap is white, the air force cap is blue, while the army, the second artillery, the armed police cap in addition to the regular clothes and dress for the green, training uniforms in general camouflage color, is not green.

Secondly, green as a protective color, was popular in the early 20th century. As a result of the Second Boer War of 1899-1902 and the First World War of 1914-1918, the traditional method of marching in formation for combat became a complete thing of the past due to the use of machine guns and high-precision rifles. The main function of army clothing colors was no longer to be eye-catching and able to deter the enemy on the battlefield, but to blend in with the surroundings and prevent detection by the enemy. And the land, especially at that time the main battlefield Europe green vegetation is more, so the green color of the main color of the clothing was selected by the militaries of various countries as the standard military uniform.

And the cap as part of the clothing, but also plays a "so that the soldiers and the surrounding objects into one" role, especially in the dense vegetation of the temperate zone countries Army, the cap and other clothing, as generally for the green.