1. Cook the snow swallow for about 30 minutes, until the snow swallow is transparent and fragrant.

2. If the cooking time of the snow swallow is too short and the snow swallow is undercooked, it will not be easy to absorb a large amount of nutrients in the snow swallow after eating. If the snow swallow is cooked for too long, the nutrients in the snow swallow will be destroyed, making it difficult for the body to supplement some necessary nutrients.