you might want to save up for a specific item, perhaps a holiday or car, so remind yourself of that. write down your goal of how much you want to save and when you want to save it up by. break it down into small amounts to be saved each month and note down what you intend to do with the money.
so you can try one or all of these things to help yourself to save more money. think about which would work for you and then give them a try. you may decide to have a go at all of them or just one, depending on which well with 