A magnetic storage system, comprising: a magnetic storage media including a chiral thin layer magnet; and a magnetic field generating unit that is arranged facing a surface of the magnet and sets the magnet in a metastable ferromagnetic state or a ferromagnetic state, wherein the magnet is configured such that a skyrmion can be created or eliminated in the magnet by locally applying heat energy to another surface of the magnet, the other surface positioned on an opposite side of the surface of the magnet, with respect to a diameter λ of the skyrmion created in the chiral thin layer magnet, characterized in that a plane size of the chiral thin layer magnet has a size of W m > λ/2 and h m > λ/2, where W m indicates a width of the plane and h m indicates a height of the plane, wherein the magnet comprises a thickness no more than 500 nm, and wherein the magnet includes FeGe or MnSi, the magnet is configured such that the skyrmion is created (i) by locally applying the heat energy to the magnet that is in the metastable ferromagnetic state, with which d ≥ 15a and k B T ≥ 1.0*J are satisfied when a Gilbert damping constant α is 0.05 > α ≥ 0.01, or (ii) by locally applying the heat energy to the magnet that is in the ferromagnetic state, with which d ≥ 15a and k B T ≥ 1.5*J are satisfied when a Gilbert damping constant α is 0.05 > α ≥ 0.01, and the magnet is configured such that the skyrmion is eliminated (i) by locally applying the heat energy to the magnet that is in the metastable ferromagnetic state, with which d ≥ 18a and k B T ≥ 1.5*J are satisfied when the Gilbert damping constant α is 0.05 > α ≥ 0.01, or (ii) by locally applying the heat energy to the magnet that is in the metastable ferromagnetic state for an application time satisfying 200 (1/J) ≥ t ≥ 150 (1/J) when heat energy k B T in the magnet is 2.0J > k B T ≥ 1.5J and for the application time satisfying 250 (1/J) ≥ t ≥ 200 (1/J) when k B T ≥ 2.0J, or (iii) by locally applying the heat energy to the magnet that is in the ferromagnetic state, with which d ≥ 20a and k B T ≥ 1.5*J are satisfied when the Gilbert damping constant α is 0.05 > α ≥ 0.01, wherein when eliminating the skyrmion, at least either one of the following condition is satisfied: that the heat energy for eliminating of the skyrmion is larger than the heat energy when creating the skyrmion, and that the radius of spot size d is larger than the radius of spot size d of the heat energy when creating the skyrmion on the other surface of the magnet, where a indicates a lattice constant of the magnet, J indicates a dimension of a magnetic exchange interaction of the magnet, k B indicates a Boltzmann constant, d indicates a radius of spot size of local heat, and T indicates a temperature of the magnet in a position to which the heat energy is applied. a magnetic storage media including a chiral thin layer magnet; and a magnetic field generating unit that is arranged facing a surface of the magnet and sets the magnet in a metastable ferromagnetic state or a ferromagnetic state, wherein the magnet is configured such that a skyrmion can be created or eliminated in the magnet by locally applying heat energy to another surface of the magnet, the other surface positioned on an opposite side of the surface of the magnet, with respect to a diameter λ of the skyrmion created in the chiral thin layer magnet, characterized in that a plane size of the chiral thin layer magnet has a size of W m > λ/2 and h m > λ/2, where W m indicates a width of the plane and h m indicates a height of the plane, wherein the magnet comprises a thickness no more than 500 nm, and wherein the magnet includes FeGe or MnSi, the magnet is configured such that the skyrmion is created (i) by locally applying the heat energy to the magnet that is in the metastable ferromagnetic state, with which d ≥ 15a and k B T ≥ 1.0*J are satisfied when a Gilbert damping constant α is 0.05 > α ≥ 0.01, or (ii) by locally applying the heat energy to the magnet that is in the ferromagnetic state, with which d ≥ 15a and k B T ≥ 1.5*J are satisfied when a Gilbert damping constant α is 0.05 > α ≥ 0.01, and the magnet is configured such that the skyrmion is eliminated (i) by locally applying the heat energy to the magnet that is in the metastable ferromagnetic state, with which d ≥ 18a and k B T ≥ 1.5*J are satisfied when the Gilbert damping constant α is 0.05 > α ≥ 0.01, or (ii) by locally applying the heat energy to the magnet that is in the metastable ferromagnetic state for an application time satisfying 200 (1/J) ≥ t ≥ 150 (1/J) when heat energy k B T in the magnet is 2.0J > k B T ≥ 1.5J and for the application time satisfying 250 (1/J) ≥ t ≥ 200 (1/J) when k B T ≥ 2.0J, or (iii) by locally applying the heat energy to the magnet that is in the ferromagnetic state, with which d ≥ 20a and k B T ≥ 1.5*J are satisfied when the Gilbert damping constant α is 0.05 > α ≥ 0.01, wherein when eliminating the skyrmion, at least either one of the following condition is satisfied: that the heat energy for eliminating of the skyrmion is larger than the heat energy when creating the skyrmion, and that the radius of spot size d is larger than the radius of spot size d of the heat energy when creating the skyrmion on the other surface of the magnet, where a indicates a lattice constant of the magnet, J indicates a dimension of a magnetic exchange interaction of the magnet, k B indicates a Boltzmann constant, d indicates a radius of spot size of local heat, and T indicates a temperature of the magnet in a position to which the heat energy is applied.