Sister-in-law's family doesn't take good care of her.

First of all, as family members, we should try our best to avoid conflicts and contradictions in family relations in order to maintain family harmony. If you have conflicts or dissatisfaction with your parents' sister-in-law, you can try the following methods:

1. communication: communicate with your family and sister-in-law more, understand each other's thoughts and feelings, and try to solve problems. If you encounter difficulties in communication, you can ask other family members or relatives for help.

2. Treat each other with courtesy: treat each other with courtesy, respect family members, and do not use offensive or offensive language to avoid escalating conflicts.

3. Stay calm: When dealing with family conflicts, stay calm and rational, don't be too excited or emotional, and avoid excessive behavior.

4. Seek * * * knowledge: In the process of communication, you can seek * * * knowledge and find a mutually acceptable solution to the problem.

If the above methods can't solve the problem, you can seek professional psychological counseling or family therapy.