The fat guarantee of the richest tomato is that the protagonist Wang Duoyu accepted the test given by his second grandfather, spending one billion yuan every month, and finally got the test of 30 billion inheritance. Many methods are unsuccessful. Finally, United Insurance Company introduced Fat Insurance, and spent the money by paying. Wang Duoyu also came up with a resounding slogan, called "four or two kilograms", and the insured gets a claim of 1000 yuan for every kilogram lost. The thinner he is, the more he pays.