Manual grinder

The utility model discloses a manual grinder which comprises a grinding bowl and a bowl body filling cavity formed by an outer shell and an inner shell which are made of metal materials, and gravel ispoured into the bowl body filling cavity. The grinding cavity is formed in the inner shell; the buffer block is arranged at the bottom of the bowl body filling cavity and is made of an elastic material; and the grinding rod is arranged in the grinding bowl and provided with a metal grinding head matched with the grinding cavity. According to the utility model, the filling cavity of the bowl bodyis filled with sandstone; securing grinder weight, cost saving, the buffer block compacts gravels from the bottom; a gap is prevented from being generated between the gravel and the shell; and after the buffer block is made of an elastic material and the bowl body is sealed to fill the cavity, the buffer block is compressed under the elastic action to further compact the sandstone, so that the compaction reliability is ens