Rosacea can be treated with topical antibiotics, azelaic acid, benzoyl peroxide, vasoconstrictive substances and other ointments. 1. Antibiotics: for the type of lesions mainly papules and pustules, commonly used is metronidazole gel, which is bactericidal and anti-inflammatory and anti-helminthic mite. This drug may lead to skin dryness, irritation and other adverse reactions, at this time should be immediately discontinued, pregnant and lactating women should be used with caution, to avoid direct contact with the mouth, eyes, skin and mucous membrane broken parts. 2. Azelaic acid: for rosacea inflammatory lesions, with anti-inflammatory, anti-ultraviolet effect, improve erythema, capillary dilatation of the role of the commonly used 20% azelaic acid cream. There may be slight itching, burning, tingling sensation and other adverse reactions, when a serious allergy should be stopped immediately, azelaic acid sensitivity is prohibited. 3. Benzoyl peroxide: only for nasal or perioral papules, pustules, the use of this product may cause contact dermatitis, burning sensation, redness, swelling and other adverse reactions, pregnant women and those who are allergic to the components of the product is prohibited, the skin with inflammation and breakouts are prohibited. 4. Vasoconstrictor substances: better efficacy for erythema-based conditions, commonly used is 1% hydroxymetazoline hydrochloride cream, should be applied to avoid the eyes, oral mucosa, may lead to itching, erythema, pain and other adverse reactions, allergy is prohibited, suffering from cardiovascular disease, Raynaud’s phenomenon, scleroderma, dry syndrome people should be used with caution. It is recommended that patients with rosacea be treated under the guidance of a professional dermatologist and not blindly self-medication.