Jinchuan is Mrs. Wang's personal maid. Because she teased Baoyu that "when a golden hairpin falls into a well, there will always be you", which means "I will always be your person in the future. What's the hurry ",and told Baoyu that another girl, Cai Yun, was having an affair with Jia Huan and other ambiguous information, which caused Wang Fu to be furious, slapped her in the face and ordered her to go out.
3. Jia's eldest girl, who serves her master personally, has more status, more face and good living conditions. Going out is equivalent to lowering her status a lot, and she is likely to be randomly assigned to a servant as a wife. This is unacceptable to her.
4. After Kim Jong Il leaves the government, the outside world will definitely guess what she has done indecent things, and she will face great public pressure from her family and the outside world, which will make her miserable. In order to show her innocence and express her struggle against fate, she died to vent her dissatisfaction and struggle against this society.