This paper introduces several common vegetable juices with dietotherapy and health care functions: celery juice: Celery tastes fragrant and can enhance people's appetite. When the weather is dry and hot, it will feel much better to get up and have a glass of celery juice in the morning. You'd better drink some celery juice between meals. Celery juice can also be used as diuretics, laxatives and antihypertensive drugs. Because the roots and leaves of celery are rich in vitamins A, B and C, celery juice is especially suitable for people with vitamin deficiency. Carrot juice: Drinking a certain amount of fresh carrot juice every day can improve your whole body. Carrot juice can improve people's appetite and anti-infection ability. Lactating mothers drink more carrot juice every day, and the quality of milk secreted is much higher than that of mothers who don't drink this juice. For people with ulcers, drinking carrot juice can obviously relieve symptoms. Carrot juice can also relieve conjunctivitis and maintain the whole visual system. Tomato juice: medical experts believe that eating 2-3 tomatoes a day can meet the daily demand for vitamin C. Drinking a few cups of tomato juice can get half of the vitamin A needed for one day and one night. Tomatoes contain a lot of citric acid and malic acid, which is beneficial to the metabolic process of the whole body, can promote the generation of gastric juice and strengthen the digestion of greasy food. Tomatoes can protect blood vessels, prevent and treat high blood pressure and improve the work of the heart. Besides, drinking tomato juice often can make your skin fit. Adding apple juice, pumpkin juice and lemon juice to tomato juice can also help fat people lose weight. Cucumber juice: In the list of medicinal value of cucumber juice compiled by medical experts, diuretic effect is among the best. Cucumber juice also plays an important role in strengthening the heart and blood vessels, regulating blood pressure and preventing myocardial over-tension and atherosclerosis. Cucumber juice can also calm and strengthen the nervous system and enhance memory. Cucumber juice also has a certain effect on gum injury and prevention and treatment of periodontal disease. Cucumber juice contains many elements needed for hair and nails, which can prevent hair loss and nail cracking. Cucumber juice contains less fat and sugar, and is an ideal diet drink. Chinese cabbage juice: Chinese cabbage has a good effect on promoting the recovery of hematopoietic function, resisting arteriosclerosis, preventing sugar from transforming into fat, and preventing the deposition of serum cholesterol. Vitamin A in cabbage juice can promote children's development and prevent night blindness. Selenium contained in chinese cabbage juice not only helps to prevent amblyopia, but also helps to enhance the bactericidal power of white blood cells in the human body and resist the toxicity of heavy metals to the body. When gum infection causes periodontal disease, drinking mixed juice of cabbage and carrot can not only supplement a lot of vitamin C for human body, but also clean oral cavity. The following juices can make you beautiful and thin, enhance your immunity and make your body and mind more energetic. Apple juice: regulate the stomach, beautify the skin and slim down. Grapefruit juice: lower cholesterol, prevent colds, relieve gum bleeding, beautify skin and lose weight. Strange juice: clearing away heat and promoting fluid production, enhancing physical and mental vitality. Mango juice: help digestion, prevent vomiting and beautify the skin. Pineapple juice: help digestion, relieve sore throat, enhance immunity and prevent respiratory infection. Papaya juice: moistening lung, moistening skin, detoxifying and beautifying. Watermelon juice: summer heat, diuresis, blood pressure reduction, beauty and skin care. Carrot juice: help digestion, neutralize cholesterol, beautify and soothe the nerves. Celery juice: Replenish physical and mental vitality, relieve anxiety and stress, and beautify skin. Banana juice: increase vitality, moisten lungs and intestines, dredge blood vessels and help digestion. Grape juice: blood, digestion, skin, anti-aging. Lemon juice: relieving cough and resolving phlegm, whitening and detoxifying, beautifying and slimming skin. Orange juice: moisten and strengthen the stomach, strengthen blood vessels, enhance immunity and prevent respiratory infection. Hami melon juice: relieving summer heat, promoting fluid production and quenching thirst. Strawberry juice: diuretic, antidiarrheal, tranquilizing and skin caring. Pineapple juice: whiten and detoxify, help digestion, enhance immunity and prevent respiratory infection.