1, the nutritional value is different: perilla powder is warm, so it can disperse cold and sweat strongly. Commonly used for exterior syndromes such as wind-cold aversion to cold, fever and anhidrosis. , and often used with ginger; Spiced leaves have antipyretic, antibacterial and spasmodic effects, and can warm kidney and dispel cold, regulate stomach and regulate qi, which is helpful to relieve spasticity.

2. Different appearance: an annual erect herb of Perilla in Labiatae, with green or purple stems and obtuse quadrangular shape; Leaves broadly ovate or rounded, base rounded or broadly cuneate; Bracts broadly ovate or suborbicular, glabrous; Calyx campanulate. Wucao is a perennial herb with tendrils, erect stems, 30-90 cm high, linear leaves and a flowering and fruiting period of 8-10 months.