The invention discloses a tea-carbon water purifying material, and a preparation method and application thereof. The tea-carbon water purifying material is a powdery porous carbon structure obtained by high-temperature sintering of clean tea tree branches, the pore diameter ranges from 50 nanometers to 80 microns, and the specific surface area is in a range of 90 m<2> / g-500 m<2>g. The preparationmethod of the material comprises collecting the clean tea tree branches as raw materials, carrying out carbonization at a high temperature and carrying out crushing. The application of the material isadsorption of dye, oil, organic solves and heavy metal ions. The result shows that the tea-carbon water purifying material provided by the invention has easily available raw materials and low cost, has no chemical residues after the high-temperature carbonization, contains no chemical reagent components, is a water purification material with zero addition, zero pollution and high benefit, and notonly can efficiently adsorb dye, oil, organic solvents and heavy metal ions in water, but also can be subjected to redox reactions or complexation reactions with active substances, metals and the like in the water. The raw materials are abundant and easily obtained, the preparation method is simple and controllable, and the application prospect is wide.