Suddenly grew a lot of whiteheads on the face of the small pimples are generally closed acne, through the use of topical drugs, keep the face clean, regular diet can relieve the symptoms. 1. Topical medication: Closed pimples can be treated with topical retinoids such as adapalene gel as prescribed by the doctor. 2. Facial cleansing: the general treatment choice of water or suitable cleansing products, remove excess oil, dander and bacteria on the surface of the skin, but can not be overly clean, pay attention to oil control and moisturizing, external use of mild moisturizing milk. 3. Regular work and diet: early to bed and early to rise, avoid staying up late, appropriate exercise exercise, as little as possible to eat greasy, spicy, sweet and other stimulating food, can also play a role in preventing acne. If you find that your face suddenly grew a lot of whiteheads of small pimples, it is recommended to go to the hospital in time to check, under the guidance of the doctor for treatment.