The slow released tolterodine tartate microcapsule preparation with homogeneous medicine release is one kind of slow release capsule with slow released microcapsule as main component, and the slow released microcapsule contains tolterodine tartate as the active component, slow releasing material and medicinal supplementary material in the weight ratio of 1-5 to 1-30 to 100-380. The preparation process of the slow released microcapsule includes the steps of mixing the main medicine component and the supplementary material, preparing the mixture into soft material, extruding and rounding. The slow released preparation can prolong the in vivo residence time of medicine, control the release of medicine, reduce medicine -taking times, lower the toxic side effect and raise curative effect. |