The common factors for a face full of small dense particles are eczema, acne, prickly heat, etc., which are mainly treated by medication as well as avoiding the triggers. 1. Eczema: Eczema is a chronic inflammatory skin disease often associated with heredity, poor diet and microbial infections. It is often characterized by pimples and blisters on the head and face. Some commonly used medications include glycerite lotion, 3% boric acid solution, and antihistamines such as loratadine. Glucocorticoids such as prednisone can be used for short-term treatment in the acute stage. 2. Acne: Acne is a common inflammatory disease of the sebaceous glands of the hair follicles. Acne is often associated with androgen levels, sebum secretion, and inflammatory response. Patients are prone to pimples, papules and pustules on the head and face. Medication includes isotretinoin, clindamycin and benzoyl peroxide. 3. Prickly heat: It is an inflammation caused by long time in high temperature environment, sweat gland discharge obstacle, sweat overflow, manifested as corn grain size pimples, accompanied by itching or tingling. Need to be transferred to a comfortable temperature, the use of glycerine lotion, Benadryl cream and other symptomatic treatment. When the patient appears full of dense small particles and other discomfort, should immediately go to the hospital, follow the doctor’s prescription medication, do not self-medication.