Hard-boiled eggs with mustard greens provide the body with nutrients that both foods are rich in, such as proteins, vitamins, and minerals; however, hard-boiled eggs with mustard greens do not have any medicinal properties. Hard-boiled egg with mustard greens is mainly a dish cooked with mustard greens and egg. Among them, mustard greens have a high water content (91.5%) and are also rich in vitamins such as riboflavin (0.11mg/100g), vitamin C (31.0mg/100g) and minerals such as calcium (230mg/100g) and iron (3.2mg/100g), which can be used as a food source of these nutrients. Eggs are a good source of protein (13.3g/100g), carbohydrates (2.8g/100g), thiamin (0.11mg/100g) and potassium (154mg/100g). Moderate consumption of hard-boiled eggs with mustard greens can supplement the body with the above nutrients, but it should be noted that hard-boiled eggs with mustard greens do not have any medicinal effects.