First, you should separate losing weight from losing weight. Some people are not really heavy, but they just look fat. Some people look thin, but not light. Even heavier. This is the reason for the body fat rate. Muscle of the same volume is much heavier than fat.
Second, many people regard losing weight as a criterion of unsuccessful, that is, looking at the figures in weighing scale. In fact, this is one-sided. Most aerobic exercises, such as jogging and yoga, actually consume very little energy per unit time. Even if you reduce your diet and lose weight through aerobic exercise, your muscles are actually losing. Therefore, it is not worth the loss to lower your metabolic level. I don't explain what metabolic level is. Many professional gods in Zhihu will give you a lot of scientific plans to ensure the level of metabolism.
Third, why do you need strength training to finally achieve the goal of losing weight and fat? Because you want to reduce fat content, you have to consume a lot of energy and exercise your muscles at the same time, which is difficult or almost impossible to do with aerobic exercise, so pure aerobic exercise is not good for reducing fat. Someone must have retorted that many people around me just lost weight. Let's not argue about details. This is an essential problem. Aerobic exercise, once stopped, or increased intake, has a great chance of rebounding.
Therefore, aerobic exercise is good, but you want to eventually achieve "weight loss", instead of losing weight for a while, eating more for a while, and getting fat for a while. Unless you are a super self-disciplined person. Aerobic exercise is essential.
For details, I would like you to read more articles about Zhihu or some professional fitness platforms. Don't believe in the so-called drug weight loss and food weight loss.