Benefits of dogs eating watermelon:

1. Dogs eating watermelon can supplement water, vitamins, amino acids, fructose, etc., and have the effect of quenching thirst and relieving heat.

2. Because watermelon has a relatively high water content, it also has a diuretic effect. Eating it can urinate a lot, and excess salt in the body will be excreted, which has a diuretic and swelling effect.

3. Dogs eating watermelon can also promote intestinal peristalsis, prevent cardiovascular diseases, and are helpful for nephritis.

Disadvantages of dogs eating watermelon:

1. Watermelon has a relatively high water content for dogs. Excessive intake of watermelon will cause infiltration of cells in the dog’s body. Unbalanced pressure can cause the dog to experience some physical discomfort, such as diarrhea.

2. Watermelon has a diuretic effect. Dogs who eat too much will urinate frequently. Excessive urination may cause electrolyte imbalance in the dog's body.

3. Watermelon contains high sugar content. Excessive consumption will affect the dog's body. Furthermore, there are a lot of hydrogenates in watermelon seeds, which may also cause symptoms such as vomiting, diarrhea, and poisoning in dogs. Therefore, when dogs eat watermelon, owners need to remove the watermelon seeds to prevent dogs from being poisoned after accidentally eating it.