1, Benefits: (1) Enhance physical fitness. Crucian carp is rich in protein, amino acids, unsaturated fatty acids, minerals, vitamins and other ingredients, which can supplement the nutrients needed by the body, help to improve the body's immunity and enhance physical fitness. (2) Strengthening the spleen and regulating the stomach. Crucian carp is delicious, and it can also strengthen the spleen and stomach, which is helpful to relieve the symptoms such as loss of appetite and indigestion caused by spleen and stomach weakness. (3) diuresis to reduce swelling. Long-term moderate consumption of crucian carp can also promote diuresis and reduce swelling, which is helpful to improve symptoms such as unfavorable urination and swelling of limbs.

2. Disadvantages: (1) indigestion. Long-term excessive consumption of crucian carp will increase the burden of gastrointestinal tract, affect the digestion and absorption of food, and thus easily lead to indigestion. (2) malnutrition. Excessive consumption of crucian carp for a long time will correspondingly reduce the intake of other foods, thus making the diet structure unreasonable and easily leading to malnutrition.