In dog days, people are prone to thirst and loss of appetite because of the hot weather. Choosing lean meat as food can provide high-quality protein and avoid excessive fat intake. Lean meat is rich in nutrients, such as vitamin B, iron and zinc. Vitamin b group helps to improve metabolism and enhance the body's resistance; Iron can promote hemoglobin synthesis and prevent anemia; Zinc is good for both the immune system and the digestive system. Lean meat is digested and absorbed faster, which helps to reduce the burden of digestion and provide energy.