Erythromycin ointment is generally not recommended for hemorrhoids in late pregnancy. The uterus will increase in size in late pregnancy, compressing the inferior vena cava to impede the return of hemorrhoids, forming hemorrhoids, patients usually have pain, bleeding and other symptoms, not due to infection. Erythromycin ointment is a topical skin preparation, topical medication for the treatment of mild to moderate skin and soft tissue infections caused by bacteria, has no effect on hemorrhoids. If the hemorrhoids in late pregnancy are not particularly serious, you can use conservative treatment under the guidance of the doctor, adjust the routine, do not stay up late at night and pay more attention to rest. It is recommended that patients in late pregnancy go to the hospital for examination, under the guidance of the doctor reasonable use of medication, to avoid adverse reactions.