Itchy pimples on the face may be related to diet, inflammatory response, personal hygiene and so on. 1. Diet: If patients like to eat spicy stimulating, high oil, high sugar food, may lead to excessive sebum secretion, promote more microbial growth, further triggering inflammatory changes in the pimples, appearing red, swollen and itchy phenomenon. 2. Inflammatory response: If the acne is in the red, swollen and pus-filled state, the inflammatory metabolites within the hair follicle stimulate the nerve endings, and the phenomenon of itchy acne will occur. 3. Personal hygiene: if the patient usually make-up removal is not complete, the residual cosmetics, the accumulation of aggravation of follicle blockage, resulting in pimples infected and inflamed, or the patient has the habit of squeezing pimples, or hand touching the face, will increase the probability of bacterial infection, triggered by the inflammation, there will be itchy pimples symptoms. Itchy pimples on the face, do not take the liberty to deal with, should be treated under the guidance of a doctor, to avoid the emergence of acne pits acne scar-like skin.