**Items unit set** General goods unit, which can be set up under the add items directly after selection. When inventory order needs and cashier binding, automatic outbound unit is set up drinks one of the important basis. 1, in the system Settings - related items unit Settings 2, click on the lower left corner of the new, fill in the unit, click ok to succeed a new unit of goods. 3, click remove to delete an item. Delete units need to be careful when (such as delete the unit, use this unit items will be cleared) 4, check if the unit is not 'state', will not appear in select unit list