1800 In May, he crossed the Alps from the Great Saint Bernard Pass as the artillery commander of the reserve. When approaching the mountain pass, the steep path made the huge and heavy artillery unable to move. Marmond came up with a wonderful method: first, saw the trunk of the pine tree in half according to the size, hollowed out the middle, then put the gun barrel in, tied it up, made the gun tail forward and the muzzle backward, tied a rope on the gun tail ring, and the soldiers dragged it forward. In this way, each group 100 people take turns to pull guns, which is very convenient whether going up or down the mountain. As for the wheels of the original gun, mules carry them. In this way, the artillery successfully crossed the mountain pass. /kloc-the battle of marengo in June/April, at first, due to the disparity in numbers, the artillery suffered heavy losses. At one time, there were only five guns left to shoot. After getting the reinforced 13 artillery, Marmond concentrated all the artillery and bombarded it violently when the Austrian army was resting. The formation of the Austrian army was suddenly chaotic, and the French army took the opportunity to launch a counterattack and finally turned the situation around. On September 9, Marmond was promoted to major general because of his outstanding military achievements. 180 1 year 1 month was elected as the representative of signing the Travierso Peace Treaty by General brenner, commander of the Italian Legion. 1802 was appointed as the director of artillery. 1803- 1805, as commander-in-chief of the artillery stationed in Bolgert (a Belgian town). 1805, promoted to general.