Toilet training is an attempt to train children to be able to control bowel movement (BAB) or urinate (BAK). Toilet training can be done in the child's independence phase, which usually begins at the age of 18-36 months. The objective of this research was to recognize whether there is any correlation between the level of knowledge of mothers just given counseling, on her attitude in the implementation of the toilet training and keep participating actively in toilet training on all children aged 18 -36 months in 002 Hamlet, the Sinar Pamulang Housing Regency, South Tangerang. This study used a quantitative method. It used children to commit an analytic design with the cross-sectional approach, the number of the sample was 61 significant proportion of respondents, with a purposive sampling method, and used a questionnaire to prove data collection. The result of this research obtained there was a correlation knowledge of mothers with their attitude about toilet training (p value 0,000), knowledge of mothers for the implementation of the toilet training (p value 0,000), knowledge of mothers for the success of toilet training (p value 0,002), attitudes of the mother with the implementation of the toilet training (p value 0,017), attitudes of the mothers with the success of toilet training (p value 0,004), consistency of participating actively in the implementation of the toilet training (p value 0,000). The fit and proper test of logistic regression showed that the dependent variable for which the most influence to successful toilet training is the implementation of the mother toilet training (p value 0,011) with a value of up (persons of very = 5,73). The results of this study can be a consideration for educational institutions, especially for students in the effort to optimize the growth of children by disseminating information about mother's knowledge, mother's attitudes, implementation, and success of toilet training.Keywords: The success of toilet training Toilet training Toddler ABSTRAKToilet training adalah usaha untuk melatih anak agar mampu mengontrol buang air kecil (BAK) atau buang air besar (BAB) yang dapat dilakukan pada fase kemandirian anak, yaitu dimulai di usia 18-36 bulan. Tujuan penelitian ini untuk mengetahui ada tidaknya hubungan antara pengetahuan ibu, sikap ibu dalam pelaksanaan toilet training dengan keberhasilan toilet training pada anak usia 18-36 bulan di wilayah RW 002 Perumahan Sinar Pamulang Kota Tangerang Selatan. Metode penelitian ini menggunakan kuantitatif dan desain analitik dengan pendekatan cross sectional dengan jumlah sampel 61 responden. Tenik sampling yaitu purposive sampling. Hasil penelitian ini diperoleh ada hubungan antara pengetahuan ibu dengan sikap ibu tentang toilet training (p value 0,000), pengetahuan ibu dengan pelaksanaan toilet training (p value 0,000), pengetahuan ibu dengan keberhasilan toilet training (p value 0,002), sikap ibu dengan pelaksanaan toilet training (p value 0,017), sikap ibu dengan keberhasilan toilet training (p value 0,004), pelaksanaan dengan keberhasilan toilet training (p value 0,000). Hasil regresi logistik menunjukkan bahwa variabel yang paling berpengaruh terhadap keberhasilan toilet training adalah pelaksanaan ibu toilet training (p value 0,011 ; OR=5,73). Penelitian ini dapat dijadikan bahan pertimbangan bagi institusi pendidikan dalam upaya optimalisasi tumbuh kembang yang terkait dengan keberhasilan toilet training.Kata Kunci: Keberhasilan toilet training Toilet training Balita