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Twitter classification for suicide posts detect and prevent is a machine learning approach inwhichthesystemsinvestigateSocialmedia use continues to grow worldwide and an ever-growing number of people are using various social media platforms to update their social circles on their mental health challenges and suicidal ideations in real time. Number of psychological studies show that expressing suicidal thoughts and attemptingsuicidehappenswithinamatterof hours and therefore automatic detection and analysis of social media posts by vulnerable users, serves as a critical, real-time window into their health and safety. In this paper, we are interested in classifying data from Twitter and Reddit as ‘Suicidal Risky Expression’ and ‘Non-Risky Expression’.We propose a method which includes automatic collection of tweets (Twitter data) and posts (Reddit data) based on suicidal vocabulary, parsingandtokenizingcollectedtextualdata, passing this data through a trained neural network and segregating data into two classes, ‘Suicidal data’ and ‘Non-suicidal data’. Since this process runs in real time, the classified data can be used to support at-risk users either by reporting suicidal content to behavioral crisis response teams or by connecting people to mental-health support resources in real-time window.