Doxycycline Hydrochloride Capsules can treat Rosacea. Rosacea is a kind of chronic inflammatory skin disease that develops on the face and is characterized by persistent erythema with dilated capillaries. The treatment of rosacea can be through general treatment of topical medication, systemic medication, phototherapy, surgical treatment and other measures. Among the systemic drug therapy, it is necessary to choose drugs with anti-inflammatory effects, and the commonly used drugs are tetracycline antibiotics such as doxycycline and minocycline. Among them, doxycycline in small doses has anti-inflammatory effect without antibacterial effect, which minimizes the dysbiosis and bacterial resistance caused by antibiotics, and is often used as the first-line systemic treatment. Suffering from rosacea can not choose doxycycline hydrochloride capsules treatment alone, but also should be combined with clinical symptoms to take comprehensive treatment measures, in order to help the recovery of the disease, it is recommended that patients under the guidance of the doctor to choose the appropriate drugs and other treatments.