In ancient times, it was used to protect the body. It is a kind of armor widely used from the Three Kingdoms period to the early Southern and Northern Dynasties. This kind of armor has two characteristics. First, the whole armor is made up of scales, which can protect the vital parts of the upper arm and armpit.

It is said that the sleeve armor was invented by Zhuge Liang, the prime minister of Shu during the Three Kingdoms period. Whether this legend is true or not is unknown. As we all know, sleeved armor originated in the Han Dynasty. It is likely that Zhuge Liang improved this and made this kind of armband. In fact, in order to strengthen the equipment of the Shu army, Zhuge Liang invented a variety of new weapons and made many beneficial improvements to the armor.

Armoured sleeves: the shape is that the chest and back armor pieces are connected into a whole, with a high round neck, iron sleeves with different lengths on the shoulders and hips, and a belt at the waist. It is a cylindrical nail body composed of small pieces of fish scale armor or turtle back armor, which are connected back and forth. The shoulder is equipped with iron sleeve armor with shoulder pads, hence the name "sleeve armor". Is it similar to modern short-sleeved shirts? ) Warrior figurines commonly found in Jin tombs in Luoyang area. It is obvious from the exterior of this terracotta warrior that its body protection area has been strengthened, and the connection of various parts of armor is more reasonable and convenient. "Sleeve armor" is usually used with a high-top iron helmet. It is said that Zhuge Liang's Shu army often wore it during the Three Kingdoms period. Therefore, it is also called "Zhuge Liang's armband iron cap". This kind of armor was commonly worn by military soldiers in Wei and Jin Dynasties.