To provide a solid soap composition having satisfactory foaming and foam quality (fine foam) and no slimy touch upon a rinse and capable of obtaining wet skin feel with clean feeling after washing.

The solid soap composition having satisfactory foaming and foam quality (fine foam) and no slimy touch upon a rinse and capable of obtaining wet skin feel with clean feeling after washing can be obtained by blending 0.01 to 5.0 wt.% trehalose and 0.01 to 5.0 wt.% extraction product of a Phyllostachys pubescens into a fatty acid salt obtained by neutralization or saponification by an alkali metal hydroxide.