Guanli is even more angry. The efficacy of crown pear contains a certain amount of protein, fat, carotene, vitamin B 1, vitamin B2, malic acid and so on, which are all essential substances for human body. The heat output of 100g pulp is 37 kcal, which is higher than that of other melons and fruits with the same amount. Pears can be eaten not only raw, but also cooked, with unique taste. Pear tastes sweet and cold, and has the function of clearing heart and moistening lung. It is effective for patients with pulmonary tuberculosis, tracheitis and upper respiratory tract infection, such as dry throat, itching and pain, hoarseness and thick phlegm. Pear has the effects of lowering blood pressure, nourishing yin and clearing heat. Patients with hypertension, heart disease, liver phlegm and cirrhosis often eat pears, which is of great benefit. It can stimulate appetite and help digestion, and has diuretic, laxative and antipyretic effects. Gong Li's skin is very beautiful in Huang Liang. Her flesh is as white as jade, as white as snow, and her skin is thin. It was imported from Shanxi. The pulp is tender and crisp, the juice is sweet, and the sugar content is higher than that of crown pear. The difference between Gong Li and Sydney is different. The distribution range is different; The nutrients are different. Gong Li, native to Dangshan, has huge fruits and beautiful Huang Liang. The skin is thin and juicy, and the taste is sweet. It is a variety of Dangshan crisp pear. Sydney: The fruit is round or oblate with uneven top and bottom. The longitudinal diameter is 8-9 cm and the transverse diameter is 9-9.5 cm. The fruit is medium and large, with an average single fruit weight of 300-400 g and a maximum single fruit weight of 750-975 g. The bagged fruit has yellow-white fruit surface, short peduncle, thin skin, small stars and large and dense rust spots.