When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents When Do You Need a Will? When do you need a will? The answer is easy: Right Now. Tips for Finding Care for Your Special-Needs Child The care of special-needs children continues into their adult years, and may survive the passing of their parents. Principles of Preserving Wealth How federal estate taxes work, plus estate management documents and tactics.