The common reasons for headache after drinking tea are as follows: 1, it may be related to the individual’s physique, because the physique is more sensitive to tea, the ingredients in tea may lead to brain nerve disorder, so headache will occur; 2, tea brewed too strong can also lead to pain; 3, drinking tea on an empty stomach appears gastrointestinal discomfort, secondary to headache. General drinking tea will make the heart excited, nerve excitement, hypertension, heart disease patients drinking strong tea can cause insomnia, which is not good for health. Drinking tea must be moderate, generally drinking tea will not cause headache symptoms, you can drink black tea, green tea, good for health care.