A cell change method, performed by a user equipment, comprising: receiving a cell list sent by a base station, wherein the cell list comprises a cell identifier of one or more cells; determining that a target cell of cell change is a micro cell, wherein the cell change comprises cell reselection and cell handover; determining a mobility state or a moving speed of a user equipment; and using a decision parameter to make a cell change decision for the target cell according to the mobility state or the moving speed of the user equipment, wherein the decision parameter is scaled based on the mobility state or the moving speed; the determining that a target cell of cell change is a micro cell comprises: if all cells in the cell list are micro cells and a cell identifier of the target cell is comprised in the cell list, determining that the target cell is a micro cell, wherein the cell list further comprises an offset of a cell-specific offset that corresponds to one or more cells, and an offset of a signal quality offset that corresponds to one or more cells; and the making a cell change decision for the target cell according to the mobility state or the moving speed of the user equipment comprises: if the mobility state of the user equipment is a high-mobility state or the moving speed of the user equipment is greater than or equal to a speed threshold, when the user equipment is in a connected state, using an offset of a cell-specific offset corresponding to the target cell at the time of making a cell change decision, and, when the user equipment is in an idle state, using an offset of a signal quality offset corresponding to the target cell at the time of making the cell change decision. receiving a cell list sent by a base station, wherein the cell list comprises a cell identifier of one or more cells; determining that a target cell of cell change is a micro cell, wherein the cell change comprises cell reselection and cell handover; determining a mobility state or a moving speed of a user equipment; and using a decision parameter to make a cell change decision for the target cell according to the mobility state or the moving speed of the user equipment, wherein the decision parameter is scaled based on the mobility state or the moving speed; the determining that a target cell of cell change is a micro cell comprises: if all cells in the cell list are micro cells and a cell identifier of the target cell is comprised in the cell list, determining that the target cell is a micro cell, wherein the cell list further comprises an offset of a cell-specific offset that corresponds to one or more cells, and an offset of a signal quality offset that corresponds to one or more cells; and the making a cell change decision for the target cell according to the mobility state or the moving speed of the user equipment comprises: if the mobility state of the user equipment is a high-mobility state or the moving speed of the user equipment is greater than or equal to a speed threshold, when the user equipment is in a connected state, using an offset of a cell-specific offset corresponding to the target cell at the time of making a cell change decision, and, when the user equipment is in an idle state, using an offset of a signal quality offset corresponding to the target cell at the time of making the cell change decision. if all cells in the cell list are micro cells and a cell identifier of the target cell is comprised in the cell list, determining that the target cell is a micro cell, wherein the cell list further comprises an offset of a cell-specific offset that corresponds to one or more cells, and an offset of a signal quality offset that corresponds to one or more cells; and the making a cell change decision for the target cell according to the mobility state or the moving speed of the user equipment comprises: if the mobility state of the user equipment is a high-mobility state or the moving speed of the user equipment is greater than or equal to a speed threshold, when the user equipment is in a connected state, using an offset of a cell-specific offset corresponding to the target cell at the time of making a cell change decision, and, when the user equipment is in an idle state, using an offset of a signal quality offset corresponding to the target cell at the time of making the cell change decision. if the mobility state of the user equipment is a high-mobility state or the moving speed of the user equipment is greater than or equal to a speed threshold, when the user equipment is in a connected state, using an offset of a cell-specific offset corresponding to the target cell at the time of making a cell change decision, and, when the user equipment is in an idle state, using an offset of a signal quality offset corresponding to the target cell at the time of making the cell change decision.