Green orange, the meat is orange, and it is very sour. Lemon, the meat is light yellow. The taste is not too sour, and the aftertaste is slightly bitter in the mouth. Green orange: also known as lime, green orange, mountain orange and Nian orange, commonly known as Gongsun orange, orange seed or lime in Hainan, it is a local wild species in Hainan and a small evergreen tree of Rutaceae, with extremely sour taste. Usually used as cooking seasoning. Lemon: It is mainly used for juicing and soaking in water. Because it tastes sour, it is rarely eaten directly as a fruit. Lemon juice is rich, slightly sour and fragrant, and has high nutritional value. It is also a condiment that can replace sour vinegar. To say which one has higher nutritional value, among many fruits, lemon can be said to be a magical medicinal fruit, which is of great benefit to human health. Lemon is strongly acidic and has always been regarded as a good medicine for treating diseases. Has the effects of relieving cough, resolving phlegm, promoting fluid production and invigorating spleen. Rich in vitamin C, it can reduce cholesterol, eliminate fatigue and increase immunity. It can also overcome symptoms such as diabetes, hypertension, anemia, common cold and osteoporosis. Green oranges, when we are very thirsty, eating some green oranges can play a good role in quenching thirst. Green orange has a good effect of promoting fluid production and quenching thirst, and also has a certain diuretic effect. Green orange contains acidity, so it has a strong antibacterial effect. Eating too much green orange will get angry. So to sum up, the nutritional value of lemon is higher.