Abstract: Objective: To investigate the levels and related factors of knowledge, attitude and practice towards donor milk on mothers of infants aged 0-6 months. Methods: An online survey was conducted with the knowledge and attitude questionnaire of human milk donation. Results: Totally 311 valid questionnaires were collected. There were 34.1% of the participants have heard of donor milk or milk banks, 74.0% were willing to donate their milk, but only 2.6% had donated their milk, and 3.5% had used the donor milk. The linear regression analysis demonstrated that the age, education level, living pattern, parity, history of delivering preterm or low-birth-weight infants and infants' age (month) were variables of knowledge towards donor milk. The parity, milk yield, history of delivering preterm or low-birth-weight infants, introduction by health professionals and health of infants were variables of the attitude. Conclusion: The attitude towards donor milk on mothers of infants aged 0-6 months was positive, but the knowledge still needed to be improved, and donating or using milk from breast milk bank was not active. The difference exited in the knowledge and attitude towards donor milk among mothers with different characteristics.

Key words: milk bank; donor breast milk; knowledge; attitude; influencing factors