After marriage, my wife always helps her family, which makes our life very difficult. Should I divorce her?

You should divorce, because you have formed your own family, even if you want to help your mother's family, it should be within your ability.

If you and your wife are not married, it doesn't matter how much she gives to her parents with the money she earns, nor does it matter to you, but you are married. In a sense, you have the same interests, and your wife is in charge of your property. If she wants to help her parents, she must get your consent, and it must be within your ability.

The problem now is that your wife helps your mother's family, and your life is already very poor. If you have stopped it and your wife still won't listen, then you can consider getting a divorce. In addition to feelings, husband and wife have the same goal in life. Every couple hopes that through their own efforts, the economic conditions at home will become better and enjoy the beauty of life.

However, your wife's behavior has broken all your good hopes for your future life and will slowly make you lose the motivation to struggle. No matter how much money you earn, you can't change your life. In case of emergency, there is no other way but to worry, because you have no savings at all. At that time, you will find that all your efforts have been in vain.