A Treatise on Midwifery by William Lockhart,published in The Dublin Journal of Medical Science in January 1842,was the first English translation of ancient Chinese medicine work.William Lockhart was one of the few missionaries who gave positive assessments to Chinese medicine.Based on Venuti’s foreignizing strategy,this paper analyzes the practice of foreignizing in the translation of Chinese idioms,names and prescriptions of Chinese medicine in the treatise.As the first research on A Treatise on Midwifery,this study shows that it is necessary...