For example, Maoduoli sour beef horn cake is high, sour and sweet, and there is no chemical addition; There is also yogurt, which is also chemically added; There are also preserved Luoshen flowers, it is best to keep them yourself without adding chemicals. The method is quite simple and can be found online. There is also beef jerky, which is also quite healthy and delicious; Nuts such as melon seeds, peanuts and walnuts are best eaten raw, not fried, and it is not so easy to get angry after eating; Jujube is also a healthy snack. It is not recommended to buy candied dates, which are too sweet.