Cracked hands are useful with erythromycin ointment if accompanied by a bacterial infection; if not accompanied by a bacterial infection, it has a moisturizing effect and can also improve chapping, but it is not routinely recommended. Erythromycin ointment belongs to the macrolide class of antibiotics, which can treat suppurative skin diseases such as impetigo, and can also improve small burns, and it is useful to use erythromycin ointment in patients with cracked hands if it is accompanied by a bacterial infection. If patients with cracked hands do not have a bacterial infection, the use of erythromycin ointment can serve as a moisturizer, and you can also use ointments to promote the healing of cracks under the guidance of a doctor, such as 5% aqueous canthaxanthin cod liver oil ointment and compound urea cream. If the crack is more serious, you can also take vitamin E and vitamin A together under the guidance of the doctor, the effect will be better. It is important to keep the affected skin clean and dry to avoid infection. If the cracked hand is more serious or the course of the disease is prolonged, it is recommended to consult a doctor in a timely manner to clarify the diagnosis, and follow the doctor’s instructions to use the medication.