Here are some of the tips to make the memorizing power strong.
Sufficient sleep: Lack of sleep affects the memorizing power. So to keep the brain active or to increase the memorizing power you need to have proper sleep.
Brain Exercise: Cross word, puzzles, chess, video games are the exercise of brain which makes the memorizing power strong.
Regular Exercise: Regular exercise balances the blood transmission on brain which keeps the brain healthy and increases the memory power.
Yoga: Yoga makes the mind peace which increases the memorizing power.
Visualizing objects: if you have the habit of forgetting things easily than attach that condition with some story. If you visualize this with good things than you can remember it for long.
Learn new things: If you learn new things per day than the brain gets activates and improves the memorizing power.
Make a schedule: You need to prepare the chart or the routine and do it on time. You need to keep anything on its own place. If you do so than you can remember anything very easily.