Self-harm is when you deliberately injure or hurt yourself as a way of dealing with very difficult feelings, painful memories or overwhelming situations and experiences.
There are lots of different forms of self-harming. Some people use the same one all the time, other people hurt themselves in different ways at different times. You can find out more about why people self-harm and how to get support if you feel like you might want to hurt yourself by visiting the YoungMinds website.