Generally, Sydney should be washed, peeled and sliced first, and beaten with a soymilk machine, so it should be cut into small pieces. Lemon should be peeled and cut into small pieces. All the materials should be poured into the soymilk machine, and a proper amount of clear water should be poured to the minimum. According to the functions of fruits and vegetables, wait until sherry is made into juice. You don't have to sift if you want to drink strong, you can sift if you want to slip away.

Sydney is the fruit of Rosaceae plants such as Pak Lei, Sha pear, Qiuzi pear and Xiyang pear, which are mostly distributed in North China, Northeast China, Northwest China and the Yangtze River valley provinces. Harvest the fruits when they are ripe in August and September, and use them fresh or slice them to dry.

The main varieties are Qiuzi pear, Pak Lei pear, sand pear and foreign pear. Qiuzi pear is distributed in North China and Northeast provinces, and its fruit is round or oblate. Excellent varieties are Jing Pak Lei in Beijing and Nanguo pear in Liaoning. Pak Lei is mainly distributed in the north of China, and its fruit is obovate. Yali pear, Xuehua pear, QiuPak Lei pear and Honey pear in Hebei, avocado in Shanxi and Rosa roxburghii in Laiyang, Shandong.

Pears are distributed in the Yangtze River valley and Huaihe River valley, with nearly round fruit and green or brown skin. The famous variety is Dangshan crisp pear in Anhui. Pears are widely planted in Yantai, Shandong Province and Dalian, Liaoning Province, with gourd-shaped or round fruits. After ripening, the pulp is crisp, tender and juicy, with few stone cells and rich flavor.

Pear is the "Sect of Hundred Fruits". Because it is fresh and sweaty, sweet and sour, it is also known as "natural mineral water".