First, control your diet, not eating or drinking, and finally feel how important it is to practice yoga. It's one thing to control your diet, and it's also important to exercise more. If you don't exercise, it's really easy to gain weight. Once there is too much fat, it is a bit difficult to practice yoga.
2. The most important thing to practice yoga is to practice seriously and do the right actions. At first, it may be difficult to do these movements, but in order to lose weight, you must do them. You may feel uncomfortable in the process of doing it, but do it anyway. Only by continuous exercise can we gradually adapt to this pain. It's not so painful after getting used to it.
3. Find more professional tutors. They are experienced and can not only tell us the skills of practice, but also let us master some basic things in a short time.