Face allergy. There is a piece like ringworm, still have a bit vesicle is what reason

According to your description, it should be caused by local fungal infection, usually direct contact infection. You can use anti-fungal drugs externally, such as econazole or terbinafine, itraconazole, etc. At the same time, pay attention to facial cleanliness, try not to touch the affected area with your hands.