The invention provides a manufacturing method of active ingredients for Rivastigmine free base transdermal patch, which includes: preparing Rivastigmine free base; and, adding an acidic substance into Rivastigmine free base to perform a mixing reaction process to form a mixture with pH value between 6.0 and 8.5 as the active ingredients of a Rivastigmine free base transdermal patch. The invention further provides a Rivastigmine free base transdermal patch, which comprises a medicine layer containing the active ingredients of the Rivastigmine free base obtained by the aforementioned manufacturing method. The Rivastigmine free base transdermal patch has a stable transdermal transmission time more than 48 hours but less than 168 hours. The active ingredients of Rivastigmine free base transdermal patch obtained by the manufacturing method of the invention applied for the Rivastigmine free base transdermal patch can make the Rivastigmine free base effectively, smoothly and continuously being released for a long period of time, so as to improve the prior art and meet the requirements of medical clinical application.本創作提供之卡巴拉汀游離鹼透皮貼劑有效成分之製造方法,包括有:齊備一卡巴拉汀游離鹼;將一酸性物質加入前述卡巴拉汀游離鹼,進行混合反應處理以形成一pH值介於6.0至8.5混合物作為卡巴拉汀游離鹼透皮貼劑有效成分。本創作提供一種卡巴拉汀游離鹼透皮貼劑,其包括一藥物層;前述藥物層包括由上述之製造方法所製得之卡巴拉汀游離鹼透皮貼劑有效成分,且該卡巴拉汀游離鹼透皮貼劑具有一透皮穩定傳輸時間,該透皮穩定傳輸時間係48小時以上、168小時以下。採用本創作之製造方法製得之卡巴拉汀游離鹼透皮貼劑有效成分,將之運用於卡巴拉汀游離鹼透皮貼劑時,能夠使卡巴拉汀游離鹼有效但暢通地長時間持續釋放,得以改善先前技術而滿足醫藥臨床運用之需求。