1. Tianjin diving tradition: Tianjin has always been a strong diving province in China, and has achieved excellent results in many international competitions such as the Olympic Games and the World Championships. This tradition has given Tianjin diving grandfathers great strength and potential, and attracted public attention.

2. Excellent performance: Grandpa Tianjin Diving has made outstanding achievements in recent competitions, constantly creating new records and breakthroughs. Their steady play and superb skills won the appreciation and respect of the audience.

3. Media publicity: With the rise of social media, the story of Grandpa Tianjin Diving has been widely spread on the Internet, attracting more attention. The media reported deeply on their training process and life background, which made more people understand and like this group.

4. Patriotism: Diving is highly entertaining and ornamental in China, while Tianjin Diving Grandpa represented China in the Olympic Games and other international competitions, showing strong patriotism. This fighting spirit and the performance of winning glory for the country inspired the audience to sing and love.

5. Age factor: The average age of Tianjin diving grandfather is too large, and he can still maintain an excellent competitive state in diving events, which shows his unremitting efforts. The particularity of this era brings freshness and admiration.

Generally speaking, the sudden fire of Tianjin diving grandfathers is due to the comprehensive influence of their excellent performance, traditional strength, media propaganda and audience singing. This phenomenon also reflects people's admiration and love for perseverance and tenacious struggle.