Stunting is a nutritional problem that is currently a national priority. Stunting prevention including the providing complementary feeding. The problem that often occurs in giving complementary feeding is that the nutritional content of complementary food is lower than the child's nutritional needs because it is not appropriate in terms of frequency, variety and quantity. This activity aims to provide education about the importance of providing complementary feeding to prevent stunting in the baby lahap community. This activity was carried out online with the partner Baby Lahap, which is one of the complementary feeding catering located in Karawang, West Java. The activity has been carried out in May-June 2023. The participants of this activity are 58 participants from Baby Lahap consumers which is also an educational community. This activity is carried out in several stages consisting of: 1) Identification of Partner Needs, 2) Review of material according to Partner's needs, 3) Creation of Educational Materials, 4) Educational Activities, and 5) Evaluation of Knowledge. The Result showed that there was an increase in the participants' knowledge scores, and based on the different tests that have been carried out, it is known that there is a significant difference with a p value of 0.000 (<0.05). The conclusion of this activities are community service activities to educate on the importance of complementary feeding for preventing stunting are carried out online using interactive educational media and educational videos. Based on the results obtained, this service activity can increase participants' knowledge before and after education.