The eighteen weapons are classic weapons in ancient Chinese martial arts, typically including knives, spears, swords, halberds, axes, battle axes, hooks, forks, whips, hammers, hairpins, daggers, tridents, staffs, spears, clubs, lances, and rakes. They vary in shape, length, hardness, and weight, embodying the essence of combat that combines offense and defense, and are an important symbol of Chinese martial arts culture.