1. Method of preserved egg and loofah soup: Wash the loofah, remove the seeds, remove the pulp and cut into strips, remove the shell and cut the preserved egg into pieces, pour the broth and water into the pot, and then add the loofah strips, preserved egg pieces, salt, monosodium glutamate and cooking wine to boil.

2. Nutritional value of Luffa: Luffa contains water, vitamins, protein, fat, calcium, iron, phosphorus, sugar and other nutrients that are very beneficial to human body, and its nutritional content ranks among the best in melons. The content of vitamin C in towel gourd is high, which can be used to prevent vitamin C deficiency. Luffa has a high content of B vitamins, which is beneficial to the brain development of children and the brain health of middle-aged and elderly people.