NOVELTY - Preparation method of manganese phthalocyanine bisphenol A epoxy derivative with high photoelectric conversion efficiency comprises: (a) preparing tetramine manganese phthalocyanine; (b) synthesizing bisphenol A epoxy diglycidyl ether; and (c) synthesizing manganese phthalocyanine bisphenol A epoxy derivative.    USE - Preparation method of manganese phthalocyanine bisphenol A epoxy derivative with high photoelectric conversion efficiency, which is used for solar cell.    ADVANTAGE - Preparation method of manganese phthalocyanine bisphenol A epoxy derivative has high photoelectric conversion efficiency and good film-forming property.    DETAILED DESCRIPTION - Preparation method of manganese phthalocyanine bisphenol A epoxy derivative with high photoelectric conversion efficiency comprises: (a) preparing tetramine manganese phthalocyanine: (1) preparing tetramine manganese phthalocyanine by adopting benzene bitter wine-urea, preparing material according to a 1:4:40 mole ratio of tetrahydrate acetic manganese, tetramine phthalic acid and urea, mixing with proper catalyst tetrahydrate ammonium molybdate, using mortar to grind evenly, adding into a 500 ml three-neck flask, adding proper benzene nitrate solvent, putting the three-neck flask into oil bath to heat at 180-200 degrees C, synchronously using electric mixer to mix, cooling, filtering after reacting for 5 hours, using methanol to wash the filter residue until there is no smell of benzene nitrate; using 1 mole/L hydrochloric acid solution to boil the obtained solid powder, filtering while hot and using 1 mole/L sodium hydroxide solution to boil and filter, using de-ionized water to wash to neutral, baking the product to obtain tetranitro manganese phthalocyanine; (2) synthesizing tetramine manganese phthalocyanine involving adding tetramine manganese phthalocyanine and sodium sulfite into a 100 ml flask according to a mole ratio of 1:10, adding proper dimethyl foramide solvent, mixing evenly, heating to 60 degrees C in oil bath under condition of aerating argon gas, using magnetic mixer to mix, condensing and refluxing, reacting for 5 hours, cooling, adding abundant distilled water into the reaction product, washing repetitively, filtering and drying to obtain solid product which is tetramine manganese phthalocyanine; (b) synthesizing bisphenol A epoxy diglycidyl ether: adding the bisphenol A and epoxy chloropropane into a three-neck flask according to a mole ratio of 1:10, mixing with magnetic mixer, heating to 65 degrees C in oil bath, condensing and refluxing so that the bisphenol A dissolves completely; cooling down below 60 degrees C, slowly dropping 10 ml sodium hydroxide aqueous solution with a mass percentage concentration of 30%, keeping the temperature below 65 degrees C, refluxing for 2 hours; using rotary evaporator to carry out decompression evaporating, removing the superfluous epoxy chloropropane, adding toluene to dissolve the reaction product, synchronously dropping 5 ml sodium hydroxide aqueous solution with a mass percentage concentration of 30%, keeping the temperature below 65 degrees C, refluxing for 2 hours; cooling, adding distilled water to wash, separating the liquid to remove the lower layer water phase, vaporizing the upper layer oil phase to remove toluene to obtain bisphenol A epoxy diglycidyl ether; and (c) synthesizing manganese phthalocyanine bisphenol A epoxy derivative: preparing material using tetramine manganese phthalocyanine and bisphenol A epoxy diglycidyl ether according to a mole ratio of 1:30-1:50, mixing evenly to load into the flask, under the protection of nitrogen gas, heating to 150-180 degrees C in oil bath, reacting for 10-16 hours, using chloroform to dissolve the reaction product, filtering to remove the undissolved substance, vaporizing to remove the solvent and obtaining the manganese phthalocyanine bisphenol A epoxy derivative.