Formula: Polygonatum odoratum 15g, Flos Lonicerae 15g, Radix Sophorae Tonkinensis 15g, Radix Ophiopogonis 15g, and Wupu 15g. Production method: add about 750ML of water and fry it to 400ml with slow fire. Usage: twice a day, 5 days as a course of treatment. Efficacy: It can nourish yin and clear lung, nourish yin and diminish inflammation, and clear throat.

2. Double-root orange stem soup

Prescription: 20 g of Radix Isatidis, 5 g of Radix Sophorae Tonkinensis 12 g of Radix Platycodi 10 g of macrocarpus, 0/0 g of Radix Ophiopogonis 10 g of Radix Glycyrrhizae, and 50 g of honey. Preparation method: soak the first six Chinese herbal medicines in 1000ML cold water for 20 minutes, then boil for half an hour, pour the boiled liquid into a cup, and add honey. Usage: Take it three times a day. You can also drink tea often. Daily 1 dose, 7 days for 1 course of treatment. Efficacy: It has the effects of nourishing yin, clearing away heat, moistening throat and relieving pain.