A lithium-ion battery anode material, wherein the anode material has a half-value width within a range of 0.55-7eV at a peak of 284-290eV measured by X-ray Photoelectron Spectroscopy, and a C/O atomic ratio of: 1, and a peak area ratio of sp 2 C to sp 3 C being 1: (0.5-5) based on the sum of the spectral peak areas of sp 2 C and sp 3 C; wherein the method of preparing the lithium-ion battery anode material comprising: subjecting a carbon source to the crushing, purification, carbonization and graphitization process sequentially to produce the anode material; wherein the carbon source is at least one selected from the group consisting of foundry coke, metallurgical coke, coke powder and coal; wherein the crushed carbon source is treated with an acid washing solution formed by HF and HCl, and the molar ratio of HF to HCl is 1:; wherein the carbonization process comprises three temperature rise stages, a first temperature rise stage is raising temperature to 500-600°C and keeping the constant temperature for 20-60min; a second temperature rise stage is raising temperature to 1,000-1,200°C and keeping the constant temperature for 20-30min; a third temperature rise stage is raising temperature to 1,500-1,600°C and keeping the constant temperature for 20-30min; wherein the graphitization process comprises three temperature rise stages: a first temperature rise stage is raising temperature from room temperature to 1,350-1,450°C with a heating rate of r1 satisfying the condition of 3≤r1≤6°C/min; a second temperature rise stage is raising temperature to 1,980-2,020°C with a heating rate of r2 satisfying the condition of r2<3°C/min; a third temperature rise stage is raising temperature to 2,800-3,000°C with a heating rate of r3 satisfying the condition of r3<3°C/min; and a heat preservation stage is provided between the three temperature rise stages. wherein the method of preparing the lithium-ion battery anode material comprising: subjecting a carbon source to the crushing, purification, carbonization and graphitization process sequentially to produce the anode material; wherein the carbon source is at least one selected from the group consisting of foundry coke, metallurgical coke, coke powder and coal; wherein the crushed carbon source is treated with an acid washing solution formed by HF and HCl, and the molar ratio of HF to HCl is 1:; wherein the carbonization process comprises three temperature rise stages, a first temperature rise stage is raising temperature to 500-600°C and keeping the constant temperature for 20-60min; a second temperature rise stage is raising temperature to 1,000-1,200°C and keeping the constant temperature for 20-30min; a third temperature rise stage is raising temperature to 1,500-1,600°C and keeping the constant temperature for 20-30min; wherein the graphitization process comprises three temperature rise stages: a first temperature rise stage is raising temperature from room temperature to 1,350-1,450°C with a heating rate of r1 satisfying the condition of 3≤r1≤6°C/min; a second temperature rise stage is raising temperature to 1,980-2,020°C with a heating rate of r2 satisfying the condition of r2<3°C/min; a third temperature rise stage is raising temperature to 2,800-3,000°C with a heating rate of r3 satisfying the condition of r3<3°C/min; and a heat preservation stage is provided between the three temperature rise stages.