The internet celebrity “Cranky Mother-in-Law” refers to **Bian Xiaoping**. Bian Xiaoping is a 70-year-old old man in Shandong Province. She opened an account called "Grumpy Mother-in-law" on the Douyin platform. She mainly shoots food and daily funny videos. As of July 24, 2023, her Douyin The account already has more than 300,000 fans, and each video has nearly 10,000 likes, making it very popular. Bian Xiaoping became popular for filming short videos with his grandson Kaikai. He was also known for his straight temper and often beat his grandson, so he was called the "grumpy mother-in-law."