Abstract:This paper，taking as an example the tablet Chengxiang Lubailu Pian，has investigated the effect of exerted pressure and water contents of granule and product on the hardness，disinte-gration time and brittleness of tablets of Chinese herbal medicines．The data thus obtained are used to select the obtimal technical conditions to overcome the qualitative defects SHCh,as loose-ning and Powde ring of the lablets．