The average score of daily TISS-28 is 25, 83 ± 11, 04 that means our ICU is belong to the groups ICU that have the highly dependent patients similar the other ICU in regional countries and all over the world that status contrast with the rate of nurse / patient is 1/2, nurse / doctor is 2, 1 / 1, lower than that in the regional countries, The daily average score of TISS-28 per patient / nurse in each shift is 61.99, that is higher than the value 46 of TISS-28 for the standard ICU, that means we recognized the overload of nurse working in our ICU.