You can help your mother by:-
1. you can do simple house works like cleaning the room and making your bed.
2. don't disturb your mother while she is working.that will be a great help.
3. atleast just give her a massage when she is too tired or aq cup of coffee.
4. you can help her in doing her office works if she is a working women.
5. be a good child that is the best help or gift you can give her.