The invention provides a product, raw wheat gluten, which belongs to a foodstuff, is extracted from wheat flour, corn flour and rice meal and can replace soft gum for producing chewing gum. The left soft gum after the chewing gum is chewed can only be spitted, which wastes the soft gum and also influences the environment. After the chewing gum made from the raw wheat gluten is chewed, the raw wheat gluten can be eaten directly, which does not cause waste or influence the environment either. The raw wheat gluten has the same characteristic of the present soft gum of the chewing gum, which is sticky and soft and can also be chewed for a long time. The raw wheat gluten can be used for producing the chewing gum and soft sweets.