The high infant mortality rate (IMR) is partly due to the increased prevalence of LBW. Appropriate management is needed in an effort to provide adequate care for infants with LBW. The purpose of this study was to determine the effect of giving the kangaroo method to low birth weight babies on increasing infant weight in the Perinatology Room at Bhayangkara Hospital Tulungagung in 2022.The research design used is Quasy Experiment with Post Test Only Group Control approach. The population is all babies with low birth weight in the perinatology room at Bhayangkara Hospital Tulungagung. The sample was some LBW infants in the perinatology room at Bhayangkara Tulungagung Hospital with a total of 30 respondents who were selected using the consecutive sampling method. This research instrument uses an observation sheet that is equipped with general research data