A process for producing a tablet characterized by performing high-speed direct compression with a moving speed of a pestle of 800 mm/s or more while compressing a powder which contains at least 15 to 80% by mass of cellulose, an active ingredient and a lubricant and has an angle of repose of 50.degree. C. or less, a compression degree of 20% or more and an elongation at break of 30 .mu.m or more.