The invention relates to a traditional Chinese pharmaceutical composition for treating cardiac failure and process for preparation, wherein the composition is prepared from the following medicinal raw materials (by weight portion): red ginseng 338-413 parts, monkshood 1013-1238 parts, poria cocos wolf 1013-1238 parts, lepidium seed 675-825 parts, notoginseng 563-688 parts, ophiopogon root 675-825 parts, the preparing process comprises mixing red ginseng, prepared aconite root, poria cocos, lepidium seed, notoginseng and ophiopogon root, charging water, grilling twice, merging the grilling liquid and filtering, concentrating the filtrate to clear grease with specific gravity of 1.07-1.10/60 Deg C, spray drying the clear grease, charging medicinal auxiliary materials, pelleting or packing capsules or making granules.