Premature birth imposes a tremendous stress for both the baby and the mother. To savethe baby life, infant is monitored under the incubator and warmer surrounded by unfamiliarsounds like buzzers, bells but lies all by himself in warmer. The treatment and routine caregiving procedures cause pain and discomfort making it difficult for very low birth weightinfants to experience restful and undisturbed periods of sleep. An alternative method, which is easyand cheap to practice,having more advantage iskangaroo care provide dforth satisfactory improvement in in fant health. A study to assess the effectiveness of structured teaching programme on knowledgeregarding kangaroo mother care among post-natal mothers at selected hospital in Chennai. Theobjective of the study wasto assess the level of knowledge regarding kangaroo mother careamongpostnatalmothers, toevaluatetheeffectivenessofstructuredteachingprogramonknowledge regarding kangaroo mother care among post-natal mothers in selected hospitals, Toassociatetheposttestlevelofknowledgeregardingkangaroomothercarewithselecteddemographic variables of postnatal mothers,a sample of 30 postnatal mothers who fulfilled theinclusioncriteriawereselectedasthesam plesusing nonprobability purposive esampling technique, data was collected using a structured questionnaire.The data collect ed were analyze dusing descriptive and inferential statistics.The study finding srevealedthat5(16.66%)ofmothershadadequateknowledge,9(30%)of themother shad moderate knowledge,16(53.33%)of mother shadinadequate knowledge.While comparing overall mean, SD,mean percentage of pre and post test knowledge scores shows that overall pretest mean score was 1.9 ± 2.01which is 57.52 %whereasinposttestthemeanscorewas2.8±2.0whichis83.85%revealingthedifferenceof70.60 % shows the effectiveness of STP. It was interpreted that therewas no significant association found between knowledge scores of postnatal mothers regarding Kangaroo Mother Care with theird emo graphic variables. Thestudy concluded that the structured teaching program was effective in improving knowledgeregardingKangaroo mother care.