For girls who want to keep fit, if the economy does not support it, they can exercise at home. Many fitness stars and live broadcasts have videos of practicing at home. You can also download a fitness app~ ~ and then plan where to practice and what food to eat every day. If you have a fitness card, you can try it if you have the energy and economy. After all, it will be faster to have professional guidance. If you are procrastinating and anticlimactic, don't waste money. As for building muscles, if you are thin, you want to build muscles (such as vest abdominal muscles). ), you can also eat muscle powder, and if you are fat, you can eat protein whey. This kind of fitness supplement can promote muscle production ~ If you don't know which one you are suitable for, you might as well ask in a physical store, such as pqfitness with a facade. Post a picture for you to see, that's all.