1. Prepare containers: choose containers suitable for packaging, such as sealed plastic bags, fresh-keeping boxes or sealed cans. Ensure that the container is clean and sanitary and has good sealing performance.

2. Preparation of soup powder: According to the formula of soup powder, add the required ingredients and seasonings into the stewing pot, and stew for a specified time and duration. Ensure that the taste and taste of soup powder meet the requirements.

3. Cooling soup powder: After the soup powder is cooked, cool it to room temperature. Can be placed in a ventilated place, or use cooling equipment to speed up the cooling process.

4. Sub-packaging soup powder: Sub-packaging the cooled soup powder into prepared containers. If you use a plastic bag, you can pour soup powder into the bag with the help of a funnel, and then seal the mouth of the bag tightly. If a fresh-keeping box or sealed can is used, pour the soup powder into the container and cover it.

5. Marking information: Mark the name, date and shelf life of soup powder on the container for easy identification and use.