A flip-chip fluorescent lens includes a light-permeable member and a fluorescent member. The light-permeable member includes a first face and a second face opposite to the first face. A light condensing portion protrudes from the first face. The second face is recessed toward the light condensing portion to form a chamber in which the fluorescent member is filled. The fluorescent member is exposed and is made of a mixture of a transparent colloid and fluorescent powder. A lighting module includes the flip-chip fluorescent lens and a light-emitting member covered by the fluorescent member and detachably engaged with the flip-chip fluorescent lens. The lighting module can be placed into a container to form an organism cultivation apparatus for growing plants. A lighting module modification method is provided to change the color of the light emitted by a lighting module to be modified.