First, the raw materials are different

Barley tea: The raw material of Barley tea is barley.

buckwheat tea: The raw material of buckwheat tea is buckwheat.

black rice tea: the raw material of black rice tea is brown rice.

Second, the preparation method is different

Barley tea: Barley tea is made by frying barley and then boiling.

buckwheat tea: buckwheat tea is made by cleaning buckwheat, steaming, frying, drying and shelling.

Xuanmi tea: Xuanmi tea is made by soaking rice, steaming and frying.

Third, the soup color is different

Barley tea: The soup color of Barley tea is dark brown.

buckwheat tea: The soup in buckwheat tea is brownish yellow.

black rice tea: the soup color of black rice tea is yellow, green and bright.

Baidu encyclopedia-rice tea

Baidu encyclopedia-buckwheat tea

Baidu encyclopedia-barley tea.