The invention provides a measuring method for a double-surface power generation solar cell. A testing system and the double-surface power generation solar cell are adopted in the method; the testing system comprises a first probe and a second probe; and the double-surface power generation solar cell comprises an illuminated surface and an un-illuminated surface. The measuring method includes the steps of enabling the light-receiving surface to be in ohmic contact with the first probe; and placing the non-light-receiving surface in a dark environment and enabling the non-light-receiving surface to the in ohmic contact with the second probe. By the measuring method for the double-surface power generation solar cell, the non-light-receiving surface of the double-surface power generation solar cell is placed in the dark environment on the basis of guaranteeing good contact between the double-surface power generation solar cell and the testing system, so that influence to electric parameter performance of the double-surface power generation solar cell due to the fact that the non-light-receiving surface of the double-surface power generation solar cell is illuminated to a certain degree is avoided, and accuracy of measurement of electric parameters of the double-surface power generation solar cell is improved.