Winter melon (wax gourd) is highly nutritious and is a low-calorie, high-water-content gourd vegetable.

Winter melon is the fruit of an annual climbing herbaceous plant in the Cucurbitaceae family, and it is also a common gourd vegetable on everyday dining tables. Its fruit is large, and when mature the skin is often covered with a layer of white waxy bloom, which is one of the reasons winter melon got its name. The flesh of winter melon is white and tender, with a mild flavor, and after cooking it has a soft texture, making it suitable for many home-style methods such as soups, braising, and steaming.

In terms of nutritional composition, the most prominent feature of winter melon is its very high water content, while its calorie and fat content are both very low, making it a typical light-type gourd vegetable. The flesh contains vitamin C, B vitamins, and minerals such as potassium, and it also contains a certain amount of dietary fiber. Together with its low sodium content and refreshing taste, winter melon is well suited to being included in everyday light meals.

In daily diets, the low-calorie, high-water characteristics make winter melon a commonly chosen ingredient for many people who are managing their weight; eating it as soup can increase satiety without bringing too much of a calorie burden. On hot days, a bowl of winter melon soup not only replenishes water but also helps stimulate the appetite and cut through greasiness. Traditional dietary concepts hold that winter melon is cooling in nature, and in home cooking it is often stewed with pork ribs, coix seed, and other ingredients, producing a clear, smooth broth that is not greasy.

It should be noted that winter melon tends to be cooling in nature, so people with weak spleen and stomach or who are prone to diarrhea should not eat too much at one time, and when the weather is cold they should also try to avoid eating large amounts of cold food. When selecting, you can check whether the shape is well proportioned, whether the waxy bloom on the skin is intact, and whether it feels heavy in the hand; after cutting, it is best to eat it as soon as possible or store it refrigerated. In addition, winter melon skin and winter melon seeds are also often used in folk practices, though the flesh remains the main part on everyday tables.