Talk to your daughter often, especially your mother. Put down your attitude and talk to your daughter as a friend. You can gradually shift the topic to emotions, try to reason with your children and let them understand best.
3. Let children realize the harm of online dating. Parents can rudely show their daughters many reports about girls being cheated and killed when they meet male netizens. They must impress the truth of blood on their daughters. Only by fully understanding the pros and cons will children understand the truth.
For the daughter of online dating, once the development momentum of her daughter is found, there is no way for her parents to stop it. Hegemonism can be considered as a last resort. Don't let children surf the internet, don't let children play mobile phones, and even cut off their financial support.
Parents can try to find someone who is in love with their daughter online, and communicate with each other through their daughters. If they can't get along, try to communicate with their parents and start with each other.