Insulation plate as well as method for producing and installing the same

The invention provides a heat preservation plate and a manufacturing method and an installing method thereof. The manufacturing method of the heat preservation plate comprises the following steps: a coating step, in which the front side of a heat preservation substrate (100) is coated with adhesives; and a bonding step, in which a flexible material (200) is placed on the surface coated with the adhesives of the heat preservation substrate (100); moreover, the flexible material (200) is partially pressed into the adhesives and partially exposes out of the edge of the heat preservation substrate (100). The heat preservation plate has the advantages that force stressed by the heat preservation substrate under negative pressure environment can be uniformly distributed to the edge of the heat preservation substrate, thereby further enhancing the firmness of the connection of the heat preservation plate and the wall.