PURPOSE: An integrated excrements collecting treatment system for a livestock shed is provided to enable controlling time in consideration of movement of livestock when livestock excrements are discharged and to breed giving no stress to the livestock by supplying a pleasant environment of the livestock shed through discharge treatment of the livestock excrements by number of forced washing which is stable and hygienic. CONSTITUTION: An integrated excrements collecting treatment system comprises an excrement discharge apparatus (10) which is composed of an excrements collecting duct (15) in which a washing water supplying pipe is installed in a lower part of hopper in which a washing water spray tube is installed in an upper part within a livestock shed floor material which is installed in a livestock shed (30) and which supplies the livestock excrements; a smart tank (27) which separates into solid and liquid through gravity separation getting the livestock excrements being connected to an end of the excrements collecting duct; a washing water storage tank (20) in which a spray tube supplying pipe (22) is connected to supply the washing water being connected to the charging water spray tube and in which a supply tube supplying pipe (24) is connected to supply the washing water being connected to a washing water supply tube; an excrements storage tank (31) in which the supplied excrements are stored being connected to an excrement discharge pipe (32) where the excrements are discharged from the smart tank; and a urine storage tank (33) in which supplied urines are stored being connected to a urine discharge pipe (34) where the urines are discharged from the smart tank. The urines are purified in a urine treating facility (36) connected to a urine storage tank and are stored in a charging water storage tank (37) as discharge water. The washing water stored in the charging water storage tank is charged and stored in the washing water storage tank (20) through a chargi