Latar Belakang underweight adalah karena bayi kekurangan energi dan zat-zat gizi yang dibutuhkan sesuai usianya. Status gizi anak dapat dipengaruhi oleh dua hal yaitu asupan makanan yang kurang dan penyakit infeksi. Tujuan Untuk mengetahui pengaruh pemberian nugget ikan terbang asap dan nugget ikan terbang segar terhadap berat badan balita (underweight) di Desa Tallu Banua. Sampel berjumlah 38 orang dengan meggunakan rumus slovin. Desain penelitian yaitu kuantitatif deskriptif dengan menggunakan lembar informes consent. Hasil penelitian menunjukkan bahwa berat badan balita underweight pada pemberian nugget ikan terbang segar didapatkan berat badan balita setelah diberikan nugget ikan terbang didapatkan kenaikan berat badan rata-rata sebesar 1.6 kg dan Perubahan berat badan balita underweight pada pemberian nugget ikan terbang asap didapatkan berat badan balita setelah diberikan nugget ikan terbang didapatkan kenaikan berat badan rata-rata sebesar 1.4 kg. Kesimpulan hasil penelitian ini dapat disimpulkan bahwa nugget ikan terbang segar dan asap memiliki pengaruh yang signifikan terhadap balita underweight diwilayah Desa Tallu Banua. Saran Peneliti selanjutnya diharapkan dapat melakukan penelitian lebih dalam terkait Pengaruh Pemberian Nugget Ikan terbang terhadap berat badan balita.

The background of underweight is because the baby lacks the energy and nutrients needed according to his age. Children's nutritional status can be influenced by two things, namely insufficient food intake and infectious diseases. Aim: To determine the effect of giving smoked flying fish nuggets and fresh flying fish nuggets on underweight children in Tallu Banua Village. The sample consisted of 38 people using the Slovin formula. The research design is descriptive quantitative using an informed consent sheet. The results of the research showed that the weight of underweight toddlers when given fresh flying fish nuggets was obtained. The weight of toddlers after being given flying fish nuggets showed an average weight increase of 1.6 kg and the change in the weight of underweight toddlers when given smoked flying fish nuggets was obtained by the weight of toddlers after given flying fish nuggets, an average weight gain of 1.4 kg was obtained. The conclusion of this research is that fresh and smoked flying fish nuggets have a significant influence on underweight toddlers in the Tallu Banua Village area. Suggestions: Future researchers are expected to conduct more in-depth
research regarding the effect of giving flying fish nuggets on toddlers' weight