The green tongue after eating cucumber is a case of hyperpigmentation, which does not need to worry and fear, and can be metabolized after drinking more water. Eating cucumber after the tongue turns green patients are usually the body lack of vitamins and trace elements, so the body’s basal metabolic rate is relatively fixed, but also because of this reason led to the decline in immunity, so if you have eaten cucumbers after the tongue turns green, you need to take certain medicines, food, or to take physical exercise to regulate the immunity of their own way and method, can be a fundamental solution to this problem. You can take multi-vitamins and trace elements of the combination of such as good survival tablets, you can also drink more water every day, appropriate aerobic exercise, early to bed and early to rise, improve dietary habits, low-salt and low-fat, prohibit greasy, spicy and other diets, to essentially solve the problem.