Shouzi fish, commonly known as grouper. Grouper is rich in nucleic acid, vitamin A, colloidal protein, elastin and other elements needed by human body, and has high nutritional value. Eating grouper has the effects of strengthening the body and prolonging life, and also has a good nourishing effect on injured and operated patients. In addition, regular consumption of grouper can make skin delicate, smooth and elastic, and play a role in whitening, beautifying, reducing fat and slimming. It is an authentic green food and a special dish of Guilin.

Shouzi fish is a famous snakehead, and it is also called "flower fish", "grouper" and "raw fish" among the people. The history of "snakehead" used in dietotherapy can be traced back to 1000 years ago. According to Shennong Materia Medica Classic (Eastern Han Dynasty), "Scorpion is long and round with black spots, sweet and cold, nontoxic, cherished by southerners, benefiting spleen and water, eliminating dampness and reducing swelling ..." Old people eat for a long time, and women eat more and more, which is a blessing. Later, snakehead was honored as "Shouzi Fish" and regarded as the top grade of fish.