2. First, clean the pig's trotters that have been prepared, and then clean them with water, and draw a knife vertically from the middle to facilitate the pig's trotters to taste.
3. After peeling an appropriate amount of onion and ginger, cut the onion, ginger slices and dried peppers into sections, then clean the spices with water and put them into a material bag for later use.
4. Pour a proper amount of clean water into the pot, blanch the pig's trotters in cold water, and take out the pig's trotters for about 3 minutes. Rinse the blood on the surface of the pig's trotters with cold water.
5. Pour a proper amount of cooking oil into the pot, stir-fry the rock sugar with low fire to melt it, pour a proper amount of water when the rock sugar is stir-fried with jujube red, then put the pig's trotters into the pot and boil it with high fire.
6. Pour a little cooking wine into the pot, and then put the chopped onion, ginger, dried peppers and spice bags into the pot to cook. After boiling, add a little light soy sauce and light soy sauce to taste with salt.
7. Start cooking with high fire for 20 minutes, then simmer with low fire for 40 minutes, and turn off the fire when there is 1/3 soup left in the pot. Don't hurry to take the trotters out of the pot after turning off the fire, and let them soak in the soup for about 10 minutes, which will make the trotters more tasty.