Eczema nemesis is not erythromycin ointment, erythromycin ointment is mainly used to treat acne vulgaris, infections of small burns or ulcerated surfaces, and suppurative skin diseases such as impetigo. Eczema treatment is mainly topical glucocorticoids and topical calcium-modulated phosphatase inhibitors, etc. It is recommended to consult with a specialist, and the use of medication should follow the doctor’s instructions. Erythromycin ointment is a macrolide antibiotic that can treat most gram-positive bacteria, some gram-negative bacteria and chlamydia, mycoplasma caused by skin infections. It is not indicated for the treatment of eczema. The treatment of eczema is mainly the use of topical glucocorticoids, such as hydrocortisone ointment, mometasone furoate cream, etc., but also the topical use of calcium-modulated phosphatase inhibitors, such as tacrolimus, etc., if necessary, combined with other topical drugs, such as 3% boric acid solution, zinc oxide oil, etc., according to the indications for the selection of appropriate drugs, pay attention to adverse drug reactions, etc.. Eczema, the need for timely diagnosis and treatment, the use of drugs under the guidance of the doctor, not self-medication.