Wang Daniang asked: “The drug within the expiration date is effective?” Pharmacist Liu: “Damsel, this is not necessarily, although it is within the expiration date, but if not placed in accordance with the storage conditions in the drug instructions, it is not necessarily safe and effective.” The following is the pharmacist for you to sort out the drug instructions in the various storage conditions, please benefit storage yo. Cool, not more than 20℃; cool, protected from light and not more than 20℃; frozen, -10℃ to -25℃; room temperature, 10℃ to 30℃; cold, 2℃ to 10℃, generally at 2℃ to 8℃. Shade, packed in opaque containers, such as black or brown paper covered or wrapped, or put in a shade box; avoid light, avoid direct sunlight. Humidity: Relative air humidity in the range of 35%-75%. For example, a cool and dry place means the temperature does not exceed 20°C and the relative humidity of air is within the range of 35%-75%. Airtight, to prevent dust and foreign matter from entering; sealed, to prevent weathering, moisture absorption, volatilization or foreign matter from entering; melt-sealed or tightly sealed, to prevent air and moisture intrusion and to prevent contamination. Warm reminder: please strictly follow the drug instructions for storage of drugs, and store and cherish.