Latar Belakang: Hasil Riskesdas 2018 mengatakan pemberian ASI pada bayi umur 0-5 bulan di Indonesia sebanyak 37,3% dibawah target Renstra Kemenkes tahun 2018 yaitu 40%. Konseling menyusui merupakan intervensi yang efektif kepada masyarakat untuk meningkatkan angka pemberian ASI eksklusif dan menyusui. Konseling menyusui dengan menggunakan media daring dapat dijadikan sebagai alternatif pengganti komunikasi secara tatap muka selama masa pandemi Covid-19.Tujuan: Mengidentifikasi efektivitas penggunaan media daring terhadap keberhasilan konseling pada ibu menyusui di masa pandemi Covid-19.Metode: Penelitian menggunakan analitik kuantitatif dan rancangan case control dengan pendekatan retrospektif. Populasi adalah ibu menyusui yang melakukan konseling berjumlah 94 orang dan sampel berjumlah 30 orang pada masing-masing kelompok berdasarkan kriteria inklusi dengan teknik purposive sampling. Data dianalisis dengan uji Mann Whitney dan nilai efektivitas dengan Uji Regresi Sederhana.Hasil: Dari hasil uji Mann Withney diperoleh nilai p- value 0,010 0,05 dengan kesimpulan terdapat perbedaan pada median keberhasilan konseling pada kelompok kasus (media online) dengan kelompok kontrol (media offline). Berdasarkan uji regresi koefisien determinasi (R Square) sebesar 0,577, artinya pengaruh media online terhadap keberhasilan konseling sebesar 57,7%, sedangkan 42,3% dipengaruhi oleh faktor lain.Simpulan: Penggunaan media daring cukup efektif digunakan terhadap keberhasilan konseling pada ibu menyusui di masa pandemi covid-19. Komunikasi elektronik berpotensi memberikan kesempatan tambahan bagi konselor untuk menginformasikan, meyakinkan, mendorong dan mendukung ibu menyusui terutama pada proses konselingBackground: The results of the 2018 Riskesdas stated that breastfeeding for infants aged 0-5 months in Indonesia was 37.3% below the 2018 Ministry of Health Strategic Plan target of 40%. Breastfeeding counseling is an effective intervention for the community to increase the rate of exclusive breastfeeding and breastfeeding. Breastfeeding counseling using online media can be used as an alternative to face-to-face communication during the Covid-19 pandemic.Objective: To identify the effectiveness of using online media on the success of counseling for breastfeeding mothers during the Covid-19 pandemic.Methods: This study used quantitative analytic and case control design with a retrospective approach. The population was 94 breastfeeding mothers who conducted counseling and a sample of 30 people in each group based on inclusion criteria with probability sampling techniques. The data were analyzed using the Mann Whitney test and the effectiveness value with the Simple Regression Test.Results: From the results of the Mann Withney test, it was obtained a p-value of 0.010 0.05, with the conclusion that there was a difference in the median of successful counseling in the case group (online media) and the control group (offline media). Based on the regression test the coefficient of determination (R Square) is 0.577, meaning that the effect of online media on the success of counseling is 57.7%, while 42.3% is influenced by other factors.Conclusion: The use of online media is quite effective in the success of counseling for breastfeeding mothers during the Covid-19 pandemic. Electronic communication has the potential to provide additional opportunities for counselors to inform, convince, encourage and support breastfeeding mothers, especially in the counseling process.