You can add glutinous rice and red beans to wrap millet, red beans and zongzi.

The specific steps are as follows:

1. Wash red beans, millet and glutinous rice and soak for three hours.

2. Wash zongzi leaves and cook for five minutes.

3. Put two leaves of Zongzi together, cut off the head and roll it up.

4. Wrap the soaked rice in the middle of the rolled zongzi leaves, then wrap the head and tie it tightly with thread.

5. Put the wrapped zongzi into the pressure cooker and add cold water until the zongzi is 2 to 3 cm.

6. Bring the fire to a boil, cover the valve and turn to medium heat for 60 minutes.