White dots particles on the face may be caused by fat grain, whitehead acne and other reasons. 1. Fatty grains: Fatty grains may be related to heredity, medicinal injury, certain inflammatory skin diseases and other factors, occurring in the face, manifested as white or beige small particles appear on the skin surface, covered with a very thin epidermis, which can be squeezed out of the solid globular particles, generally no self-conscious symptoms. 2. Whiteheads acne: whiteheads acne may be related to heredity, endocrine factors, increased sebum secretion, follicle cell keratinization abnormalities and other factors, occurring on the face or chest and back, manifested as the appearance of pinhead-sized milky white particles on the surface of the skin. There may be other causes of white spot particles on the face, it is recommended to go to the hospital in a timely manner to improve the examination, to clarify the cause of the disease under the guidance of the doctor to give targeted treatment.