The forehead is densely packed with small grains of rice, there are several cases: 1, the forehead is densely packed with small grains of rice red, itchy, consider allergic dermatitis, caused by contact with something allergic, rub the affected area with urea acetate ointment, oral paracetamol to stop itching when there is itching, no symptoms of itching only topical medication can temporarily do not oral medication. 2, the forehead of small grains of rice does not hurt or itch, long-term does not disappear or recurring, bumps on The white tips consider closed mouth acne, due to eating spicy, greasy food too much or long-term stay up late, endocrine disorders, resulting in increased facial oil secretion, so that the glandular ducts blocked and formed, every morning and evening with warm water to wet the face to open the pores, with a deep cleansing effect of facial cleanser, with vitamin A acid cream or Adapalene gel rub the affected area. The food that can increase the secretion of facial oil such as meat and sweets should be eaten less or not, avoid smoking and alcohol, do not stay up late, and persist for a period of time to remove the small bumps on the forehead.