High blood pressure patients can drink dandelion tea, because dandelion tea has a certain role in clearing liver fire, dizziness, headache, elevated blood pressure caused by liver fire inflammation, you can take dandelion appropriately, but overdose can easily lead to diarrhea, dandelion’s main effect is to clear away heat and detoxification, reduce swelling and dissipate knots, clearing dampness and heat. Modern pharmacological studies have confirmed that the decoction or infusion of dandelion has a strong inhibitory effect on Staphylococcus aureus, hemolytic streptococcus and Cattacoccus, and also has a certain inhibitory effect on Pneumococcus pneumoniae, Meningococcus meningitidis, diphtheria bacillus, dysentery bacillus fowleri, Pseudomonas aeruginosa and Leptospira. In some in vitro tests, it is also suggested that the active ingredients of dandelion can stimulate the body’s immune function, as well as choleretic, hepatoprotective, anti-endotoxin and diuretic effect.