2. In addition, kale is rich in dietary fiber, which can promote the peristalsis of our stomach, thus preventing constipation, promoting the digestion of the stomach and preventing the accumulation of fat. So eating some kale properly is also helpful to lose weight. However, in our daily life, if we want to lose weight, we must exercise more. Dietotherapy is just a way to help lose weight. Eating kale is also helpful, but eating kale alone will not help us lose weight. In daily life, if you want to eat kale to lose weight, you can choose some light types of practices, such as cold soup.