Yes However, it should be noted that blisters should not be used in cogongrass rhizome to avoid the loss of potassium contained in cogongrass rhizome. Imperata rhizome and dandelion are cold, and those with spleen and stomach deficiency and cold should not eat them, and those with diarrhea and loose stool should not eat them. Not suitable for people without thermal imaging. Dosage: cogongrass rhizome 30g, dandelion 50g. Decoct with water, 2~3 times a day.