It should be that the old pumpkin is sweeter when it is dried. The method is as follows: wash the pumpkin, dry it, cut it from the middle, and dig out the pulp and seeds; Peel the remaining melon meat, cut it into pieces with a thickness of 0.5 cm, thread the pumpkin pieces with clean cotton thread, dry them in the sun until they become soft, then put them away, and add sugar and salt to marinate the water; Put the pumpkin slices in the sun and then dry them, then boil a pot of boiling water, steam the dried pumpkin slices in the pot, take them out after steaming until the pumpkin slices become transparent, and then put them in the sun and then dry them.