How to pickle sour plums?

Marinate sour plums in a container for 3-5 days, boil them in a pot, and add rock sugar. After boiling, let the sour plums cool, sprinkle with white sugar and marinate for 1-2 days, pour into a glass jar, add white sugar and put in a cool place.

1. Put sour plums in a container, sprinkle with salt and marinate for 3-5 days.

2. Pour sour plums and soup into a pot and boil, add crystal sugar, cool the sour plums after boiling, sprinkle with white sugar and marinate for 1-2 days.

3. Pour the pickled sour plum into a glass jar, add sugar and place it in the shade, and keep it for one month.