For people with coffee intolerance, they need to stop consuming coffee immediately and drink plenty of water in moderation. If the symptoms do not improve or worsen, it is recommended to go to the hospital for treatment. For people with coffee intolerance, diarrhea, vomiting, skin rashes, and other uncomfortable symptoms may occur after taking coffee, and in severe cases, heart palpitations, respiratory distress and even life-threatening symptoms may occur. Mild symptoms can be slowed down or eliminated by drinking more water and stopping the consumption of coffee, etc. Those with more severe symptoms need to consult a doctor in time. Coffee contains caffeine, which has a certain stimulating effect on the central nervous system and has the auxiliary effect of refreshing the mind. However, caffeine should not be consumed in excess, as it can cause insomnia, heart palpitations, headaches and other symptoms.