Application method of bed, bed clothes and air conditioner

A method relates to energy saving during air conditioner operation and improvement of influence of air on human body, more specificly applying a product and method for bed use capable of preventing air ventilation, which can be either flexible (e.g. plastic cloth) or rigid (e.g. organic glass), and laid on the bed like a curtain to form a substantially enclosed space together with the bed, installing the low power air conditioner inside, or installing bigger and smaller split or central air conditioners in room or on the bed and controls respectively, thus making the air conditioner take effect on energy saving whether in cooling or in warming. The invention is safe, environment protective, and energy-saving.