Mix 50ml water with gelatine, let it set for 10 minutes. Then put in a large bowl to dissolve it.

Soak the goji berries, dried longans, and osmanthus flowers in hot water for 10 minutes, then drain and set aside. Cut the dried longans into small pieces.

Mix the gelatine with cold water, let it set.

Put rock sugar into boiling water and cook until dissolved. Then add the osmanthus flowers and cook for two minutes.

Add the gelatin solution and mix well. Then add the dried longans and goji berries, and mix thoroughly.

Pour the mixture into a container and let it cool. Place it in the refrigerator until it reaches a semi-solid state.

Stir the semi-solid mixture again, then return it to the refrigerator until fully set.