The invention relates to a traditional Chinese medicine for treating acquired immune deficiency syndrome, which comprises decoction and pills, wherein the decoction is prepared from belvedere fruit, common cnidium fruit, angelica dahurlica, largetrifoliolious bugbane rhizome, cortex phellodendri, gardenia jasminoides, astragalus and rhizoma cyrtomii according to a certain weight ratio; and the pills are prepared from fineleaf schizonepeta herb, siberian cocklour fruit, mongolian snakegourd root, aloes, lesser typhonium, sabina procumbens, large-headed atractylodes rhizome, pachysandra, cordyceps, semiaquilegia, Chinese angelica, bone meal and an edible adhesive according to a certain weight ratio. A preparation method of the pills comprises the following steps of: decocting the fineleaf schizonepeta herb, siberian cocklour fruit, mongolian snakegourd root, aloes, lesser typhonium, sabina procumbens, large-headed atractylodes rhizome, the bone meal, the pachysandra and the Chinese angelica into water for 45 minutes for deslagging, decocting liquid medicine to form paste, taking the paste out for cooling, grinding the cordyceps and the semiaquilegia into powder, mixing the powder with the decocted decocted paste, adding the edible adhesive, and grinding the mixture uniformly to prepare the pills of 4 to 9 centimeters. The decoction is decocted into the water. The traditional Chinese medicine can promote immune cells in vivo of patients to be increased to reach a normal value of human bodies and reduce acquired immune deficiency syndrome virus obviously, and has the advantages of readily available materials, low cost and no toxic or side effect.