The invention discloses an aluminum ion battery negative electrode material and a preparation method and application thereof. The negative electrode material is suitable for an aluminum ion battery; a negative electrode is made of a carbon material; the carbo material comprises a sheet prepared from carbon paper, a graphite paper-like material and a sheet prepared from micron or nano-sized carbon material powder particles or a sheet prepared from a carbon material obtained by pyrolysis of an aromatic organic matter. The negative electrode material, the carbon material and a composite thereof have high heat conductivity and high structural stability; moreover, the negative electrode material has high compatibility with electrolyte, facilitates de-intercalation and deposition of aluminum ions, contributes to improvement on the specific capacity and cycle performance of the aluminum ion battery, and is expected to become a novel aluminum ion battery negative electrode material which has the advantages of excellent performance, low price, simple process, environmental friendliness and contribution to industrial large-scale production.