Anise, also known as anise and star anise, has a strong and special aroma and can be used as spice or seasoning. Fennel will have a special fennel smell, and its appearance is as big as millet. Difference: Anise has eight corners and is dark brown. Fennel is similar in appearance and color to chaff. Cooking: Anise is mostly used to cook or marinate meat, while fennel is a common spice in meat processing. Efficacy: Anise has the effect of increasing the flavor of meat and stimulating appetite; Fennel has the functions of dispelling cold and relieving pain, warming kidney and reducing urine, and stimulating appetite and regulating qi.