Applying for multiple credit cards in a short period of time can negatively impact your credit score and lower the same. However, if the credit cards are managed efficiently, then you have a chance of positively impacting your credit score. In fact, many individuals use the credit card facility to boost their credit score. Here are a few things you must keep in mind while using more credit cards to increase your credit score: Use your credit cards judiciously. Ensure timely payments. Keep the usage low. Avoid making all payments from a single card. When used correctly, multiple credit cards can be a great financial strategy for getting a better credit score.