The authenticity of Lao Shanghai Nianyou Snow Cream can be distinguished from the following aspects:

1. Brand certification: The real Lao Shanghai Nianyou Snow Cream will have corresponding brand certification and Identification, such as trademarks, logos on packaging, etc. The authenticity of a product can be confirmed by checking the information on the packaging, label, or official website.

2. Packaging and logo: The real Lao Shanghai noodle cream will have carefully designed packaging and logo to show its traditional and authentic image. If the packaging has misspellings, blurry graphics, or poor printing quality, it is likely a counterfeit product.

The above are several aspects to distinguish the authenticity of Lao Shanghai Mianyou Cream, for reference only. It is recommended to go to the official website for more details before purchasing to buy authentic cream.