Abstract: A total of 7 500 broilers were randomly divided into two groups.The broilers in one group were fed with common breeding technique,and those in another group were fed in fermentation bed.According to the established program strictly,food consumption,number of deaths and body weight were recorded every day.According to the statistical data of 45 d,the fermentation bed technique had much better advantages than the common breeding technique in decreasing feed conservation ratio and mortality,improving feeding environment,and avoiding drug use.