Many parents or elderly people around think that drinking pear water or pear with mother of pearl can stop cough, which is another misconception. It is true that if the cough is “dry cough”, mother of pearl and pear should be effective; but in many cases, the cough is not a dry cough, so drinking pear water is not only ineffective, but may also aggravate the condition, which makes the subsequent treatment more difficult. The so-called “prescription” is a certain range of application, out of this range will not work. Introduce: 1, snow pear: taste sweet, cold, into the lung meridian, has the effect of clearing heat, phlegm, cough. Taste sweet in Chinese medicine refers to the tonic effect. Into the lung meridian, that is to say, this substance has a stronger effect on the lung. Snow pear is sweet in taste and cold in nature, contains malic acid, citric acid, vitamin B1, B2, C, carotene, etc. It has the effect of generating fluid and moistening dryness, clearing heat and resolving phlegm, especially suitable for autumn consumption. The compendium of materia medica records that the pear is also beneficial, its nature downstream fluent. It medicinal use can cure wind-heat, moisten the lungs, cool the heart, eliminate phlegm, reduce fire, detoxification. Modern medical research proves that the pear does have the role of moistening the lung and clearing dryness, stopping cough and resolving phlegm, nourishing blood and generating muscle. Therefore, the patients with acute bronchitis and upper respiratory tract infection have dry throat, itching, pain, mute, phlegm thick, constipation, urinary redness are effective. 2, Chuanbei mother: is a Chinese herbal medicine, bitter and sweet in taste, edible. Chuanbei mum enters the lung and heart meridians, has the effect of resolving phlegm and relieving cough, clearing heat and dispersing nodules. Chuan Bai Mu not only has a good cough and phlegm effect, but also can nourish the lung yin, promote the lung, moisten the lung and clear lung heat, is a good remedy for prolonged cough and phlegm asthma. 3. Rock sugar: Its effect is mainly for flavoring, because Chuanbei mum is very bitter. Here the treatment is heat, so rock sugar is used. General treatment of cold symptoms, such as dysmenorrhea, we have to use brown sugar, which is warm. In fact, icing sugar stewed snow pear is a home-made dessert, the main ingredient is snow pear, the main cooking process is stewing. Pear moistens the lung and clears heat, generates fluid and quenches thirst. Used with rock sugar, it enhances the effect of moistening peel and relieving cough, and can treat children’s dry lung cough, dry cough without phlegm, dry lips and throat. After understanding the above content, do not believe in Sichuan shellfish ice sugar stewed Sydney, food also has cold hot warm and cool, different seasons, different physique of people, suitable for eating different things, if not according to the person, according to the place, according to the time of the appropriate, otherwise it will backfire, good intentions to do bad things. Recently in the pediatric emergency encountered too many such examples, said more and will affect family relations, in fact, the purpose of everyone is the same, hope that the child quickly restore health, so to choose a reasonable diet is more important.