The rules for entering the temple for a cow stroll are:

1. Prepare sacrifices: Usually you need to prepare some sacrifices, such as fruits, flowers, cakes, etc. These sacrifices are used to worship the gods and express pious intentions.

2. Choose an auspicious time: Choose an auspicious time to enter Niu Liu, and try to avoid unlucky days or hours. Check with temple staff or custom experts for the best times.

3. Traveling method: When entering Niuliu, you need to go around the temple. Generally speaking, going around clockwise is considered auspicious. During this process, you can hold Buddhist beads, chant sutras, or silently recite blessings.