The utility model discloses a photovoltaic module connection structure, include that n is capable or be listed as photovoltaic module, N is for being not less than 4 even number, every line or be listed as photovoltaic module and all include upper photovoltaic board cluster and lower floor's photovoltaic board cluster, lower floor's photovoltaic board cluster is located the below of upper photovoltaic board cluster, upper strata photovoltaic board was ganged up A cable and first group and is gone here and there the dc -to -ac converter and be connected, lower floor's photovoltaic board was ganged up B cable and second group cluster dc -to -ac converter and was connected, upper strata photovoltaic board cluster and lower floor's photovoltaic board cluster all include the battery cell boardof a plurality of word seriates, the positive negative pole of adjacent individual panel is the series connection in order. The utility model discloses a battery cell board of establishing ties in order to to establish ties the upper photovoltaic board cluster formed in order by the battery cell board and be connected to first group cluster dc -to -ac converter, will establish ties lower floor's photovoltaic board cluster of forming in order by the battery cell board and be connected to second group and go here and there the dc -to -ac converter, can guarantee that photovoltaic module's generated energy can not sheltered from suffer from loss because of lower floor's photovoltaic board cluster.