Hello,
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The main thing for destruction is your importance towards the thing which distracts you then your goals. Now, distractions are common, one gets distracted with game's, no interest on particular work you want to do. It's not that you must only do the particular work all day, you must even stress free your mind to concentrate more. If your distraction is from the studies here are few tips,
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• Make a goal to complete syllabus in particular Time
• do not over stress with studies
• Daily go for new things to learn
• don't get sticked with only one subject
• Research about the things which looks interesting

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Now, listen even go for other things, like playing games, watching TV etc, because the thing which distracts will distract you whole time until you get to it. So, get to it for some time satisfy yourself with it and then go for studies, you will be free from distractions