Lzh Mu Bi Pm Sk 15Not Going to Houses While Menstruating

The Sutta on Not Entering Houses While Menstruating

Background

This text is recorded in the Vinaya Piṭaka, the collection that establishes disciplinary rules for the community of monks and nuns. In the Theravāda Buddhist tradition, the Vinaya Piṭaka is not merely a set of mechanical regulations but also reflects the Buddha’s wisdom in guiding disciples to practice and live harmoniously with the society of that time.

This text concerns regulations on the conduct of female bhikkhus (Bhikkhunīs — ordained nuns) in daily life. The Buddha laid down these rules not to restrict or discriminate, but to maintain purity, protect the reputation of the community of practice, and educate both female Buddhist practitioners and the lay community in respect for social norms.

The historical context shows that, in the Buddha’s time, certain social customs connected with women’s health were regarded as matters requiring adjustment within the religious community. This regulation was not meant to be unjust, but expressed the Buddha’s care in relation to the medical understanding and religious customs of that period.

Main Content

According to the Theravāda Vinaya Piṭaka, the Buddha taught that bhikkhunīs should not enter the houses of householders during menstruation (vaithalyakāla). This regulation was given when problems arose in the community, or when the Buddha directly perceived the need for it.

The Buddha’s reason for laying down this rule arose from several aspects. First, it was out of respect for householders and their religious beliefs. At that time, there were ideas concerning purity in religious life, and respecting these beliefs helped maintain a good relationship between the community of practice and laypeople. Second, this was also a way for the Buddha to guide bhikkhunīs in caring for their own health — during these days, they should focus on practice at the vihara (monastery) rather than going out to teach the Dharma.