This study was conducted to investigate the effect of feeding used oriental medicine refuse(CMR) on physicochemical properties of porks were investigated. Twenty LY × D boars weighing approximately 90 ± 5㎏ were randomly assigned to each of control and treatment groups. The control animals received a regular fattening type diet ad libitum for 30 d and the other ones were fed a mixture of the fattening diet and OMR at the rate of 77 to 3 on as fad basis. On the 30th d of dietary treatment, the animals were slaughtered and their loins and bellies were collected from each treatment. The samples were stored at 4 ± 1 ℃. The physico-chemical properties was determined on the days of 2, 4, 7, 12 and 15. The pH of loin and belly were significantly lower in the OMR compared to the treatment(P$lt;0.05). The shear forces of loin and belly were not different statistically between the two groups. The water soluble proteins of loin and belly were significantly lower in OMR than those in the treatment. The proteins of loin increased until 7 days of storage and they tended thereafter. The salt soluble proteins of loin and belly tended to higher in the control than those in the treatment and they increased with the storage time(P$lt;0.05). The Hunt L values of loin appeared to be higher in OMR compared to the treatment. On the other hand the OMR was significantly higher than the other in the Hunt L values(P$lt;0.05). Hunt a values of loin was significantly higher in OMR(P$lt;0.05), than those in the other, but those of belly were significantly higher in the control group on the 2nd day(P$lt;0.05). Hunt b values of loin and belly were significantly higher in the OMR than those in the other on the 15th days(P$lt;0.05).