Large red bumps on the face may be caused by allergies, which can manifest as eczema, urticaria or seborrheic dermatitis, all of which are allergic diseases. For treatment, you should avoid spicy and irritating foods, stop applying all topical cosmetics, and avoid washing your face and contact with water. The specific treatment can be oral anti-allergic drugs, such as levocetirizine hydrochloride tablets or loratadine tablets, the specific diagnosis and treatment is recommended in the clinician after a clear diagnosis in a reasonable treatment to avoid delay.