The silage machine aims at harvesting, cutting and conveying in the same time. It won’t be blocked easily and the stubble is tidy. It can also silage hard woody plants, like thorn and grain straws,like corn straw and rice straw. The machine has the advantages of low power consumption, high efficiency, powerful drive, easy operation, outstanding durability, easy maintenance etc. Self-propelled thorn silage machine intergrades harvesting, chopping, and collecting. It largely saves time and man labor, and benefits rush-harvesting and rush silage.