In This Paper We Describe A Methodology And An Algorithm To Estimate The Real-time Age, Gender, And Emotion Of A Human By Analysing Of Face Images On A Webcam. Here We Discuss The CNN Based Architecture To Design A Real-time Model. Emotion, Gender And Age Detection Of Facial Images In Webcam Play An Important Role In Many Applications Like Forensics, Security Control, Data Analysis, Video Observation And Humancomputer Interaction. In This Paper We Present Some Method & Techniques Such As PCA,LBP, SVM, VIOLA-JONES, HOG Which Will Directly Or Indirectly Used To Recognize Human Emotion, Gender And Age Detection In Various Conditions.