<p align="center"><strong><em>ABSTRACT</em></strong><em></em></p><p><strong><em>Background:</em></strong><em>Child development is influenced by many factors, among others; nutrition and the environment. The neighborhood can be a situation or stimulation. Fetus in the womb already reacts to stimuli that come mainly excitatory touch by improving movement. While babies are less touch will experience a slowdown in growth. Massage is one of the stimulation can be given to infants at an early age.<strong>Objective</strong>:Understanding the influence of baby’s massage in elevating infant’s body weight. <strong>Research design</strong>:Randomized Control Trial, subjects are allocated randomly to the treatment group and control group. In both groups the infant’s body weight were compared between the beginning and the end of the study and at theend of the study the two groups were compared. <strong>Subyects</strong>:Babies getting exclusive breast feeding and fulfill the study’s inclusion criteria. <strong>Place</strong>:Puskemas Kalijudan Surabaya, Jln Kalijudan 125 Surabaya.<strong>Time</strong>:November 10th, 2005 – January 12th, 2006.<strong>Treatment</strong>:Subjects on the treatment group got the massage therapy twice a week for 15 minutes and body weight measuring for five weeks and the control group only got the body weight measuring.<strong>Instruments</strong>:stop watch for the timer and Tanita body-weight machine measurement which has been calibrated.<strong>Result</strong>:Result of  analyzed by Paired Sample Test  for both group were p=0,000. Furthermore to comparation at the end of the study have been using Independent Sample Test and the result were p=0,000.<strong>Conclusion</strong>:The infant’s body weight were raising significantly in both group, but the treatment group higher than the controle one.</em></p><p><strong><em>Keywords</em></strong><em>: Massage, Infant’s body weight</em><em></em></p><p><em><br /></em></p>