A multi-slot transmission method performed by a network-side device (10, 1200), comprising: determining a value of the quantity of slots in a set of the quantities of slots; and configuring the value of the quantity of slots to a User Equipment, UE (11, 1300), the value of the quantity of slots being used by the UE (11, 1300) for performing a Physical Uplink Control Channel, PUCCH, transmission and/or a Physical Uplink Shared Channel, PUSCH, transmission within multiple slots, characterized in that the set of the quantities of slots is a predefined first set of the quantities of slots without respect to numerology; and the determining the value of the quantity of slots in the set of the quantities of slots comprises: selecting the value of the quantity of slots from the first set of the quantities of slots; or the set of the quantities of slots is a predefined second set of the quantities of slots without respect to the numerology; and the determining the value of the quantity of slots in the set of the quantities of slots comprises: determining a plurality of values of the quantities of slots configured for the UE (11, 1300) in the second set of the quantities of slots; and selecting the value of the quantity of slots from the plurality of values of the quantities of slots; or the set of the quantities of slots is a predefined third set of the quantities of slots with respect to each numerology; and the determining the value of the quantity of slots in the set of the quantities of slots comprises: determining a corresponding third set of the quantities of slots in accordance with a numerology; and selecting the value of the quantity of slots from the corresponding third set of the quantities of slots; or the set of the quantities of slots is a predefined fourth set of the quantities of slots with respect to each numerology; and the determining the value of the quantity of slots in the set of the quantities of slots comprises: determining a corresponding fourth set of the quantities of slots in accordance with a numerology; determining a plurality of values of the quantities of slots configured for the UE (11, 1300) in the fourth set of the quantities of slots; and selecting the value of the quantity of slots from the plurality of values of the quantities of slots. determining a value of the quantity of slots in a set of the quantities of slots; and configuring the value of the quantity of slots to a User Equipment, UE (11, 1300), the value of the quantity of slots being used by the UE (11, 1300) for performing a Physical Uplink Control Channel, PUCCH, transmission and/or a Physical Uplink Shared Channel, PUSCH, transmission within multiple slots, characterized in that the set of the quantities of slots is a predefined first set of the quantities of slots without respect to numerology; and the determining the value of the quantity of slots in the set of the quantities of slots comprises: selecting the value of the quantity of slots from the first set of the quantities of slots; or the set of the quantities of slots is a predefined second set of the quantities of slots without respect to the numerology; and the determining the value of the quantity of slots in the set of the quantities of slots comprises: determining a plurality of values of the quantities of slots configured for the UE (11, 1300) in the second set of the quantities of slots; and selecting the value of the quantity of slots from the plurality of values of the quantities of slots; or the set of the quantities of slots is a predefined third set of the quantities of slots with respect to each numerology; and the determining the value of the quantity of slots in the set of the quantities of slots comprises: determining a corresponding third set of the quantities of slots in accordance with a numerology; and selecting the value of the quantity of slots from the corresponding third set of the quantities of slots; or the set of the quantities of slots is a predefined fourth set of the quantities of slots with respect to each numerology; and the determining the value of the quantity of slots in the set of the quantities of slots comprises: determining a corresponding fourth set of the quantities of slots in accordance with a numerology; determining a plurality of values of the quantities of slots configured for the UE (11, 1300) in the fourth set of the quantities of slots; and selecting the value of the quantity of slots from the plurality of values of the quantities of slots.