An analysis device for quantitatively determining biological molecules labeled with a fluorescent dye (202, 301, 504, 506), comprising: a support substrate (104, 203, 303, 406, 601) having a front surface; a means (108, 607) for deploying a reaction solution containing magnetic particulates (102,201,302,403,507) on the front surface of the support substrate (104,203,303,406,601); an excitation unit configured to excite the fluorescent dye (202, 301, 504, 506); a detection unit configured to detect fluorescence of the fluorescent dye; an adhesive layer (105, 204, 304, 407, 511) provided on the front surface of the support substrate (104, 203, 303, 406, 601) and configured to adhere the magnetic particulates (102, 201, 302, 403, 507) to the support substrate (104, 203, 303, 406, 601), wherein the magnetic particulates (102, 201, 302, 403, 507) are for capturing the biological molecules labeled with the fluorescent dye (202, 301, 504, 506) on the support substrate (104, 203, 303, 406, 601); a magnetic field generation unit (106, 205, 305, 608) configured to switch on a magnetic force or intensities of a magnetic force to attract the magnetic particulates (102, 201, 302, 403, 507) to the adhesive layer (105, 204, 304, 407, 511) provided on the front surface of the support substrate (104, 203, 303, 406, 601), and to then switch off the magnetic force or intensities of the magnetic force; wherein a photoresponsive alkyl azobenzene with a functional group is used as a material of the adhesive layer (105, 204, 304, 407, 511), wherein an azobenzene and the functional group are bound to one end and the other of the alkyl chain, wherein the functional group is a functional group configured to react with the material of the support substrate (104, 203, 303, 406, 601) to immobilize the functional group on the support substrate (104, 203, 303, 406, 601), and wherein the alkyl chains crowd with alkyl-chain hydrophobic interaction to form a self-assembled membrane on the front surface of the support substrate (104, 203, 303, 406, 601) when the reaction is performed. a support substrate (104, 203, 303, 406, 601) having a front surface; a means (108, 607) for deploying a reaction solution containing magnetic particulates (102,201,302,403,507) on the front surface of the support substrate (104,203,303,406,601); an excitation unit configured to excite the fluorescent dye (202, 301, 504, 506); a detection unit configured to detect fluorescence of the fluorescent dye; an adhesive layer (105, 204, 304, 407, 511) provided on the front surface of the support substrate (104, 203, 303, 406, 601) and configured to adhere the magnetic particulates (102, 201, 302, 403, 507) to the support substrate (104, 203, 303, 406, 601), wherein the magnetic particulates (102, 201, 302, 403, 507) are for capturing the biological molecules labeled with the fluorescent dye (202, 301, 504, 506) on the support substrate (104, 203, 303, 406, 601); a magnetic field generation unit (106, 205, 305, 608) configured to switch on a magnetic force or intensities of a magnetic force to attract the magnetic particulates (102, 201, 302, 403, 507) to the adhesive layer (105, 204, 304, 407, 511) provided on the front surface of the support substrate (104, 203, 303, 406, 601), and to then switch off the magnetic force or intensities of the magnetic force; wherein a photoresponsive alkyl azobenzene with a functional group is used as a material of the adhesive layer (105, 204, 304, 407, 511), wherein an azobenzene and the functional group are bound to one end and the other of the alkyl chain, wherein the functional group is a functional group configured to react with the material of the support substrate (104, 203, 303, 406, 601) to immobilize the functional group on the support substrate (104, 203, 303, 406, 601), and wherein the alkyl chains crowd with alkyl-chain hydrophobic interaction to form a self-assembled membrane on the front surface of the support substrate (104, 203, 303, 406, 601) when the reaction is performed.