As far as possible, avoid all kinds of suspected causative factors, such as hot water, excessive use of soap, scratching and improper use of topical medication. The actual fact is that you will be able to get a lot of people who are not able to get a lot of people who are not able to get a lot of people who are not able to get a lot of people who are not able to get a lot of people who are not able to get a lot of people who are not able to get a lot of people who are not able to get a lot of people who are not able to get a lot of people who are not able to get a lot of money. These can reduce the recurrence of eczema. Eczema can be prevented by eating more of the following vegetables can help prevent and treat eczema: 1, bitter melon bitter melon contains quinine. It has the function of clearing heat and detoxification, dispelling dampness and relieving itching. Can be used to treat heat, boils, prickly heat, eczema and other conditions. 2, tomatoes Tomatoes are rich in vitamin A, vitamin B1, vitamin B2, vitamin C, niacin, vitamin E; also contains malic acid, citric acid, calcium, phosphorus, iron and tomato base and other substances. It has the effect of promoting cough, stomach and appetite, cooling blood, calming the liver and clearing heat. The fruit acid in tomatoes has a protective effect on vitamin C, so it can effectively supplement vitamin C. Lycopene has an antibacterial and anti-inflammatory effect and reduces vascular permeability, so the external use of tomato juice for eczema can play an anti-itching and astringent effect.