Simple pepper grinder

The utility model relates to a grinder used for grinding the food, spice and coffee, in particular to a simple pepper grinder which can be operated by single hand with simple structure. The body is formed by two casings, and the inside is provided with a linking rod fixedly connected with the internal grinding teeth and a grinding device formed by the external grinding teeth, and the top end of the linking rod is sleeved with the actuation body of the linking group, and the outside surface of the actuation body which can rotate in the upper casing chamber of the body is provided with a plurality of guide ditches, and the pressing body is sleeved on the actuation body, and a plurality of guide blocks respectively sleeved on the internal and external sides of the pressing body is sleeved in the guide ditches in a protruding manner from the body. The internal guide blocks are sleeved in the inclined guide groove of the actuation body.