Pay attention to the body temperature and room temperature when purchasing a quilt. The internal temperature of the quilt is 28℃~ 30℃. If the indoor temperature is low, you can choose a quilt with good thermal insulation effect. Its advantage is to keep warm, but its disadvantage is more serious. The duvet has a large air storage capacity, is not easy to flow and has a good warm-keeping effect. But people with allergies should use it with caution and need dry cleaning. Porous hollow fiber has high elasticity, good bulkiness and light weight, which is similar to duvet, but it is cheap. Small thin quilts can even be washed directly by washing machine, which is not afraid of pressure and easy to keep. This kind of quilt has the disadvantage of poor hygroscopicity and is not suitable for people who are allergic to chemical fiber.

If the room temperature is high, you can choose silk quilt, which is light, soft, smooth and delicate, moisture-absorbing, antistatic and feels good, but it is difficult to take care of it by avoiding heavy pressure, exposure and alkaline soap washing. Wool quilt is also very refreshing, and its hygroscopicity, elasticity, breathability, flame retardancy and thermal insulation are better than those of cotton fiber. The microclimate in the quilt can maintain the temperature and humidity around the skin suitable for the human body, which is warm in winter and cool in summer, but it needs dry cleaning and the maintenance cost is relatively high.

The thickness of the quilt depends on whether it is covered on others. The quilt covered by two people is thinner than that covered by one person, because the temperature of two people will be higher. There is heating in the room in winter, and the quilt should not be too thick.