To allow the gunpowder and the canvas to merge in more splendid ways, when creating his canvases Cai, much like a Chinese herbalist deftly putting together a prescription, has time and again experimented with the strength of the gunpowder and the speed at which it burns. He has moved from roughly demonstrating the power of gunpowder explosions to tackling the challenge of creating fine lines that can represent the human body.
為了讓火藥和畫布有更絢爛的激盪演出，蔡國強自製畫布，又像「抓中藥」一次次改良兩者碰觸的速度、強弱，並從粗獷地呈現火藥爆炸的力量，到挑戰炸繪出人體纖細的線條。