There should be no exact temperature, people amp S feels different. However, it can be pointed out that it is not suitable for drinking above 60 degrees, because it is too hot, which will cause burns of digestive tract mucosa. Although the human body can repair itself, repeated injuries can cause malignant changes of digestive tract mucosa. So below 50 degrees is more appropriate. But cold soup is not good either, especially oily soup. It will solidify when it is cold.