Erythromycin ointment can be used to prevent infection after eyebrow tattooing. Eyebrow tattooing is the use of tattooing to color pigment into the eyebrow to form a specific shape and color, which is a traumatic operation and may cause infection due to unstrict aseptic operation or improper care. Erythromycin ointment can be applied thinly to prevent wound infection immediately after treatment. However, erythromycin ointment is not recommended for use at a later stage because of its scab-dissolving effect. Erythromycin ointment is suitable for septic skin diseases such as impetigo, small burns, ulcer surface infections and common acne, etc. Adverse reactions are mainly occasional irritation and allergic reactions, with no clear contraindications. If the use of erythromycin ointment after eyebrow tattoo appears local burning sensation, itching, redness and swelling, you need to stop using. If there is a need for medication, it is recommended to go to a regular hospital and follow the doctor’s instructions for scientific use of medication, so as not to cause discomfort.