First, a reasonable fertilizer Fruits entering the fruit-harvesting stage are usually topdressed for about 20 days, and topdressing can be combined with irrigation. This period is the first harvest of the strawberry fruit is basically completed, the second batch of inflorescence is about to appear, should be appropriate fertilizer, fertilizer with quick-acting N, K-based compound fertilizer, can be applied 15 kg per acre. Second, plant cleaning Timely removal of old leaves, diseased leaves, stolons, reduced nutrient consumption, often retain 4-5 functional leaves. Appropriate sparse fruiting and thinning, sparse fruiting stems are too short, flowers are small, fruits are not hypertrophy, and fruits have deformed fruit when large. Third, temperature and humidity control Grasp the fine weather to make the necessary ventilation and dehumidification, increase the light. During the low temperature season, the temperature in the shed is kept as much as 20°C to 25°C during the day and 5°C at night. Humidity has a great influence on strawberry flowering pollination, high humidity, pollen germination rate is low, often increase the rate of small fruit and malformed fruit, so try to keep the relative humidity within the shed at 50% to 60%. At the same time, bees are added in time to ensure pollination quality. After the spring begins, the temperature gradually rises and the temperature inside the shed warms up. At this time, as the temperature rises, the amount of ventilation is gradually increased to prevent the temperature in the greenhouse from being too high. Otherwise, the strawberries will become smaller and become more acidic. IV. Pest control 1, gray mold: can occur in the leaves, flowers, fruits. At the time of initial infusion, the diseased part showed no noticeable brown moist spots, and gradually enlarged later. In severe cases, the surface of the diseased part was covered with a gray mold layer, and when the humidity was high, white flocculent mycelium grew. Control methods: Use 45% chlorothalonil WP per acre 250 grams, ignite in the evening, close the shed overnight, even smoked 3 times; alternate use of 10% Shi Gao water dispersible granules 1000 times, 50% acetaminophen wetability Powder 1500 times liquid, 50% speed Keling 1500 times spray, 7 days 1 time. 2. Powdery mildew: mainly damage the leaves, but also impregnate the leaf stems, flowers, pedicels and fruits. In the early stage of the onset of the abdomen, a white creamy white powder appears locally, and then quickly spreads to the entire plant. When severe, the leaves curl upward and the lesion turns red-brown. The surface of the fruits was covered with a white powder. Control methods: Use 10% of Shigao Water Dispersed Grain 1300-2000 times liquid (11.5 ~ 7.5g watered 15kg) or 40% Fuxing Star EC 8000 times (1.875g water 15kg), spray every 7 ~ 10 days 1 Times. Metallurgical Microscope ,Optical Metallurgical Microscope,Portable Metallurgical Microscope,Inverted Metallographic Microscope Ningbo ProWay Optics & Electronics Co., Ltd. , https://www.proway-microtech.com