The objective of the study was to evaluate the effect of autologous PRP in the patients of acne scar and its comparison with pretreatment condition on a total of 20 patients. The PRP was prepared in minor OT of Muzaffarnagar medical college and hospital, Muzaffarnagar. The effect of PRP was evaluated by using Goodman's and Baron's qualitative acne scar grading system and compared before and after treatment condition (at 0 and 15 weeks).