A media filter including: a mixing and coagulation basin configured to coagulate particles to form flocs and to grow the flocs when a coagulant is put in raw water, and a plurality of filter basins configured to filter and remove the flocs contained in the raw water using media filling the inside of the filter basin, wherein the mixing and coagulation basin is disposed inside a supply channel through which the raw water is transferred to the plurality of filter basins and comprises: a first mixing and coagulation part which is filled with first turbulence derivatives to generate turbulence to form flocs in the raw water; and a second mixing and coagulation part which is filled with second turbulence derivatives to generate turbulence slower than the turbulence of the first mixing and coagulation part so as to additionally grow the floes in the raw water passing from the first mixing and coagulation part ; and wherein the supply channel comprises: an inflow channel through which the raw water to be treated flows in from the outside and a distribution channel which supplies the raw water to the plurality of the filter basins ; characterized in that the distribution channel comprises: a main flow path having the second mixing and coagulation part , and a bypass flow path disposed in parallel with the main flow path ; a second partition for partitioning the main flow path from the bypass flow path ; and at least one sluice disposed on the second partition in order to transfer the treated water flown into the main flow path to the bypass flow path . a mixing and coagulation basin configured to coagulate particles to form flocs and to grow the flocs when a coagulant is put in raw water, and a plurality of filter basins configured to filter and remove the flocs contained in the raw water using media filling the inside of the filter basin, wherein the mixing and coagulation basin is disposed inside a supply channel through which the raw water is transferred to the plurality of filter basins and comprises: a first mixing and coagulation part which is filled with first turbulence derivatives to generate turbulence to form flocs in the raw water; and a second mixing and coagulation part which is filled with second turbulence derivatives to generate turbulence slower than the turbulence of the first mixing and coagulation part so as to additionally grow the floes in the raw water passing from the first mixing and coagulation part ; and a first mixing and coagulation part which is filled with first turbulence derivatives to generate turbulence to form flocs in the raw water; and a second mixing and coagulation part which is filled with second turbulence derivatives to generate turbulence slower than the turbulence of the first mixing and coagulation part so as to additionally grow the floes in the raw water passing from the first mixing and coagulation part ; and wherein the supply channel comprises: an inflow channel through which the raw water to be treated flows in from the outside and a distribution channel which supplies the raw water to the plurality of the filter basins ; characterized in that the distribution channel comprises: a main flow path having the second mixing and coagulation part , and a bypass flow path disposed in parallel with the main flow path ; a second partition for partitioning the main flow path from the bypass flow path ; and at least one sluice disposed on the second partition in order to transfer the treated water flown into the main flow path to the bypass flow path . a main flow path having the second mixing and coagulation part , and a bypass flow path disposed in parallel with the main flow path ; a second partition for partitioning the main flow path from the bypass flow path ; and at least one sluice disposed on the second partition in order to transfer the treated water flown into the main flow path to the bypass flow path . <EOS>