Weak grass, also known as litsea cubeba, tastes pungent and warm, and has the effects of dispelling wind and cold, warming the middle and regulating qi. Commonly used to relieve abdominal pain, fatigue, postpartum congestion and other symptoms, especially in Fujian. When you are weak after work, you are used to stewing a bowl of weak grass to relieve fatigue. Pig's feet also contain collagen, which has the functions of beauty, anti-aging and promoting the growth of hair and nails.