Different in nature. Xicha, a brand founded by Shenzhen Meixixi Catering Management Co., Ltd., is headquartered in Shenzhen, Guangdong Province. Xicha originated from an alley called Jiangbianli in Jiangmen, Guangdong. Guangbo milk is one of the drinks launched by Xicha brand. Therefore, the only difference between hi-tea and light milk is that one is a brand and the other is a drink, and the nature of their existence is different.