The invention relates to a solar photovoltaic module installation sealant, which is composed of methylcyclohexane, double polyethylene polydimethylsiloxane, tung oil anhydride, antimony trioxide, polytetrafluoroethylene, konjac gum, and vinyl tributyl Ketoxime silane, dibutyltin dilaurate, pearl powder, sodium tungstate powder, rose essential oil, monolauryl phosphate, chitin, ethynyl cyclohexanol, diatomaceous earth, dioctyl phthalate, Ethyl orthosilicate, isocyanate modified alkyd resin, hydroxyethyl methacrylate, sodium dodecylbenzenesulfonate, phenylacetyl peroxide, p-tert-octylphenol formaldehyde resin, castor oil, has good pressure Fluid viscosity, Shore hardness, shear strength, elongation at break, tensile strength, high pressure resistance and sealing performance, excellent performance, suitable for use in photovoltaic modules, and improved product sealing performance.