Reliable. Dacheng Fund is a well-known fund company, and its wealth management products have certain recognition in the market. But I didn't find the relevant information of Dacheng Fresh app, so I can't directly confirm its reliability. Security is very important when choosing financial products. Generally speaking, it will be safer and more reliable to choose large platforms and formal channels to purchase wealth management products. For example, Alipay, China Merchants Bank and Bank of China are all platforms for public trust.