Time is the best measure, and future product experts are business experts as well as industry experts. So in the end, I chose an industry that I am familiar with to continue moving forward, and precipitated my own core competitiveness. After choosing the track, we have to continue to choose the car, then this car is the company. At this time, it is the choice between startups and large manufacturers. You must know that product managers with 3 to 5 years need to accelerate their growth through high-quality projects, because at this time, the bottleneck of advanced is coming, and you have to prepare in advance. There are few high-quality and meaningful projects in the field sms marketing service of smart medical care, so most product managers in the growth stage are stuck during this window period. So at this time, I chose a start-up company, because the start-up company is willing to deliver the project to you, from the process of implementing research and landing practice in the project to the core level of the business. The characters give you advice and keep improving to find problems. Only after that will we fully understand the business, and we will also know how to find access to medical products and where the future market plans are.