Dense small particles on the face may be eczema, allergies, acne, need to target general treatment, take medication. 1. Eczema: If the area is relatively small, you can use local glycerine lotion to clean the general itching can be relieved, and apply weak hormone ointment, such as mometasone furoate cream, dinexed cream, if the condition is more serious, you need to cooperate with the oral antiallergic drugs, such as cetirizine, loratadine. 2. Allergy: It may be caused by eating certain allergy-causing foods or contacting allergic substances, such as pollen. First of all, we should keep away from allergens and take oral anti-allergy medication together with the doctor. 3. Acne: is a kind of follicle sebaceous glands of chronic inflammation, sexual skin diseases often lead to pimples or pimples on the skin, to eat less high-sugar, high-oil food, and pay attention to diet light, eat more vegetables and fruits, can be applied locally peroxybenzoyl or Vitamin A acid cream treatment. Dense small particles on the face, there may be caused by other reasons, it is recommended to go to the hospital dermatology department in time to find out the reasons for targeted treatment, the above drugs need to be used under the guidance of a professional doctor, not blindly use drugs.