Hollow out the inside of the wax gourd, make it into a cylinder with two ends connected, flatten the bottom and draw radial lines on the cross section; Heat the stainless steel pot, and buckle the bottom of the wax gourd at the bottom of the pot, so that the wax gourd cup will be firmly sucked in the pot. Even if the soup base is put, the soup will not leak out of the wax gourd. The most important thing is to put some water in the hot pot to prevent it from drying up.