Small blister-like particles on the face may be impetigo, viral infection, eczema, etc., and the cause should be identified in time. 1. Impetigo: Impetigo is mainly caused by Staphylococcus aureus or type B hemolytic streptococcus caused by purulent diseases, lesions are usually manifested around the lips, face, nostrils around the trunk and other parts of the body, due to the germs will cause local infections, so the onset of the disease will lead to the face with a very small blister-like particles of the stuff, there will also be small pimples, pustules and other symptoms. 2. Viral infections: common herpes zoster and herpes simplex infections, viral infections can cause abnormalities in the mucous membranes of the skin, resulting in localized clusters of small blisters, manifested as a very small blister-like particles on the face. 3. eczema: eczema is caused by internal and external factors of the obvious exudative inflammatory skin disease, the cause of the onset of dust mites, pollen, cosmetics, soaps, animal fur allergies, etc., if eczema occurs in the face, there will be a small blister-like particles on the face of the performance. However, other factors can not be ruled out, it is recommended to consult a doctor in a timely manner, by the doctor to clarify the cause of the disease, to give targeted treatment.