A method for data transmission, comprising: receiving, by a terminal device, configuration information sent by a network device, the configuration information indicating: attribute information of at least one service and a resource for sending a scheduling request; and a mapping relationship between the attribute information of at least one service and the resource for sending the scheduling request; notifying, by the terminal device, attribute information of uplink data to be sent by the terminal device to the network device through the scheduling request, comprising: notifying, by the terminal device, the attribute information of the uplink data to be sent to the network device through the resource occupied by the scheduling request; receiving, by the terminal device, indication information sent by the network device, the indication information indicating an uplink grant for the uplink data to be sent; and sending, by the terminal device, the uplink data to be sent according to the uplink grant, wherein the attribute information of the uplink data to be sent comprises at least one of: data stream information corresponding to the uplink data to be sent or bearer information corresponding to the uplink data to be sent; wherein notifying, by the terminal device, the attribute information of the uplink data to be sent to the network device through the resource occupied by the scheduling request comprises: determining the resource configured to send the scheduling request according to the attribute information of the uplink data to be sent and correspondences between attribute information of data and resources; and sending the scheduling request according to the determined resource. attribute information of at least one service and a resource for sending a scheduling request; and a mapping relationship between the attribute information of at least one service and the resource for sending the scheduling request; notifying, by the terminal device, attribute information of uplink data to be sent by the terminal device to the network device through the scheduling request, comprising: notifying, by the terminal device, the attribute information of the uplink data to be sent to the network device through the resource occupied by the scheduling request; receiving, by the terminal device, indication information sent by the network device, the indication information indicating an uplink grant for the uplink data to be sent; and sending, by the terminal device, the uplink data to be sent according to the uplink grant, wherein the attribute information of the uplink data to be sent comprises at least one of: data stream information corresponding to the uplink data to be sent or bearer information corresponding to the uplink data to be sent; wherein notifying, by the terminal device, the attribute information of the uplink data to be sent to the network device through the resource occupied by the scheduling request comprises: determining the resource configured to send the scheduling request according to the attribute information of the uplink data to be sent and correspondences between attribute information of data and resources; and sending the scheduling request according to the determined resource. data stream information corresponding to the uplink data to be sent or bearer information corresponding to the uplink data to be sent; wherein notifying, by the terminal device, the attribute information of the uplink data to be sent to the network device through the resource occupied by the scheduling request comprises: determining the resource configured to send the scheduling request according to the attribute information of the uplink data to be sent and correspondences between attribute information of data and resources; and sending the scheduling request according to the determined resource. determining the resource configured to send the scheduling request according to the attribute information of the uplink data to be sent and correspondences between attribute information of data and resources; and sending the scheduling request according to the determined resource.