The research used the dry powder of lesser galangal to replace the antibiotic on pig diet aimed to evaluate the ability of supplement lesser galangal on the pig feed. The diets of pig from the postweaning to 120 days were supplied 0,5 percent OM galangal powder
pig on the control diets on the same old were added 50ppm chlotetracyline and none antibiotic diet. The experiments observed the performance, desease resistance and carcass quality. The result showed that the pigs, were feeded 0,5 percent galangal powder diets, presented the ADG, FCR, carcass quality, hematological and biochemical characteristics no lower than pig's on the controls diets. The percentage of the day of diarrhea and respiratory syndrome decreased significantly.