Generally, 6-8 buckets with a diameter of 30-40 cm and a height of about 80 cm are put on the trolley, and they can sell black rice porridge, eight-treasure porridge, coix seed porridge, sweet potato porridge, mung bean porridge, lily porridge, lotus leaf porridge, lotus seed porridge, glutinous rice porridge, corn porridge, yam porridge and so on. Among them, the method of lotus leaf porridge is: one or two pearl rice, two to three kilograms of water. After the fire boils, turn it down and cover the pot with a lotus leaf for about half an hour. When in use, the lotus leaf can be opened. Porridge must not be heated overnight or repeatedly. If it's 20 barrels, it takes about a catty of rice to fill it, and the water consumption is 15-20 times that of rice. Porridge does not need to add other ingredients, and the list is the main one. Using natural ingredients, you can make fresh and delicious porridge.