The technology of 「Guard Patch」includes three parts. 1. Wearable devices, 2. Intelligent wireless monitoring system. 3. Cloud server with AI to avoid the happen of cardiovascular diseases (CVD). The products of 「Guard Patch」also includes three parts: 1. Medical Market: (1) YuGuard, (2) YuSound, (3) YuRine. 2. Wearable Market: (1) YuCloth, (2) YuPet, (3) YuBelt. 3.Educative Market: TriAnswer. The mentioned seven products developed by Yutech can be employed in medical, wearable, educative markets to satisfy the different demands of customersachieve the dream of 「Bioelectronics Garden」