35 years old. In an interview program, Xu Kui, a weight loss expert, mentioned that she was born in September. 1987. On September 23rd, 2022, Xu Kui was 35 years old. Xu Kui, a weight loss expert, has a good control of his figure. Weight loss expert Xu Kui's slimming method is to combine exercise with diet to accelerate energy metabolism, so it is effective for both men and women. Teacher Xu Kui advocates eating more high-quality dietary fiber, such as rice and oats.