The quality safety behaviors of pig-breeding farms and farmers play important roles in improving pork quality safety in the source. This paper puts forward the definition and characteristics of quality safety behaviors and then explains its contents and functions from five aspects: down-stream purchasing, epidemic prevention, pig-producing archives, animal welfare and coordination mechanism. Based on existing problems of quality safety behaviors of pig-breeding farms and farmers, this paper correspondingly puts forward some countermeasures from four aspects: consciousness enhancement, ability enhancement, supervision and environment shaping.