The invention discloses a traditional Chinese medicament for treating male infertility and improving sperm survival rate and a preparation method thereof. The preparation method comprises the following steps: preparing and smashing poria cocos, alisma plantago-aquatica, plantain seed, topaz, cistanche, teasel root, red paeony root and leech into fine powder for later use; decocting cortex moutan, rehmannia root, Chinese thorowax root, the root of red-rooted salvia, gypsum, medlar, eucommia ulmoides, achyranthes bidentata, liquorice, fructus forsythiae, saffron, houttuynia cordata and rhizoma smilacis glabrae to obtain concentrated liquor; uniformly mixing and stirring the smashed fined powder and the concentrated liquor; grinding the mixture into fine powder after freeze-drying to prepare powder. The traditional Chinese medicament has the effects of tonifying kidney, producing sperm, inducing diuresis with bland medicament, clearing heat, detoxifying, activating blood and dissolving stasis, is particularly applicable to the treatment of low sperm survival rate, non-liquefaction of semen, low sperm density, azoospermia, prostatitis, varicocele, orchitis, seminal vesiculitis, urinary system inflammation of male, and can recovery the above symptoms to normal in a relatively short period of time.