It's actually 1. Jingshuo tea has the effects of calming nerves and helping sleep, removing dampness, purging fire and clearing lung-heat, while Jiangzhong tea is not particularly effective in calming nerves and helping sleep.

2. In terms of composition. Jingshuo tea consists of five natural authentic ingredients, such as Sichuan wild salvia miltiorrhiza, notoginseng, green tea, licorice and rose, and Zhongjiang tea consists of adzuki bean, coix seed, adzuki bean, yam, poria cocos, rock sugar and gardenia. Jingshuo tea is the best ingredient.