Small rice grains on the back, usually caused by thick stratum corneum and perifollicular keratinization, can be removed by medication, regular cleaning, and nourishing and moisturizing. 1. Medication: Vitamin A ointment can be applied to the affected area to speed up skin metabolism and make the grains fall off. 2. Regular cleansing: shower regularly to avoid dust and sebum clogging pores, and use exfoliating products to peel off the grains. 3. moisturizing: when the skin is too dry, will trigger follicular keratosis pilaris, in addition to the daily should drink more water, supplement the body’s required moisture, every time after the bath can be coated with body lotion to the back of the skin to moisturize the back of the lesser chance of small rice grains. The back with small rice grains, generally does not affect normal life, such as the need to use medication should follow the doctor’s instructions, it is recommended to go to the hospital, under the guidance of the doctor standardized treatment.