Is the premise of gaining muscle to consume fat?

No, it takes a lot of energy to gain muscle, so you need fat. If you want to gain muscle, you must eat fat. Therefore, you can't say that the premise of gaining muscle is to consume fat.

Muscle is an expensive tissue in human body. Muscle consumes a lot of energy and needs a lot of nutritional support. To gain muscle, high carbohydrate, water, fat and high protein are indispensable. An important prerequisite for muscle gain is that calorie intake is greater than consumption.