This suddenly appeared on my face, is it ringworm, is it serious, it doesn't hurt or itch, and I just found it.
Seeing as your facial skin is relatively dry and suddenly appears red, there is not much chance of getting ringworm.If it is ringworm then it will usually be accompanied by itching.If the lesions are not serious, don't worry too much. You can apply moisturizing skin care products to nourish the skin and moisturize the skin, eat more vegetables and fruits, and pay attention to sun protection.
Your situation if a circle appears on the skin of your face, but at present it does not look painful or itchy, through the picture you should have small bumps, this is considered possible ringworm, that is, caused by fungal infection, you can pay attention to local hygiene, and then use the treatment of fungal drugs to observe and see.
From the picture, this symptom is not ringworm, it should be an ordinary allergic dermatitis, which has some relationship with diet or staying up late.You can also use boric acid zinc oxide ice ointment to wipe, usually avoid spicy and stimulating food, and try not to stay up late.