The face grows a bag may be related to mosquito bites, allergies, folliculitis or cysts and other factors, the first need to pay attention to local cleanliness and hygiene, avoid scratching with your hands, reduce or avoid eating greasy, spicy and stimulating food and sweets, stop using too greasy cosmetics. 1, mosquito bites: face long bag, if accompanied by more obvious itching, and the onset of a short period of time, may belong to the mosquito or other insect bites formed by the bag. At this time can be applied externally anti-allergy anti-itch drugs, such as mometasone furoate cream or household anthritis to reduce swelling and relieve itching; 2, allergies: if accompanied by itching, erythematous papules or flaking and other symptoms may also be caused by allergies, oral anti-allergy drugs, such as loratadine or levocetirizine hydrochloride, local can also be cold compresses or wet compresses with boric acid solution, can also be applied externally tacrolimus ointment rash anti-inflammatory treatment; 3, folliculitis. If accompanied by local redness, swelling, pain and other symptoms, it may be due to bacterial infection caused by inflammatory reactions such as folliculitis, boils, etc.. Topical antibacterial drugs such as mupirocin ointment, fusidic acid cream, erythromycin ointment, etc. can be used. In addition, acne with more pronounced inflammation can also form papules and pustules. The same antibacterial and anti-inflammatory treatment is needed, which can be appropriately applied with retinoic acid ointment or adapalene gel, or with minocycline, roxithromycin, etc. Pay attention to skin cleanliness; 4. Cysts: If they are not accompanied by symptoms such as pain and itching, and if the mass has a tendency to gradually increase in size, they may be cysts, such as epidermal cysts and dermatocysts, etc. There are also a few cases It may be tumor such as hair maternal tumor, hair epithelioma and malignant skin basal cell carcinoma, squamous cell carcinoma, melanoma, etc. It is recommended to go to the hospital for consultation and give corresponding treatment in time after clear diagnosis.