The monk’s constitution

Rules established by
the Buddha himself

ກົດລະບຽບທີ່ພຣະພຸດທະ ກຳນົດດ້ວຍຕົນເອງ

The Vinaya (ວິໄນ) is the monastic code that governs the life of every ordained Buddhist monk and nun in the Theravāda tradition. For fully ordained monks (bhikkhu · ພິກຂຸ), it consists of 227 rules — ranging from the gravest offenses that result in permanent expulsion to minor points of etiquette. These rules were not created all at once; they developed organically across the Buddha’s ministry, each rule arising in response to a specific situation.

The Vinaya has been observed continuously for over 2,500 years, making it the oldest actively practiced legal code in the world. Its preservation intact across Asia is one of the most remarkable achievements of human institutional history.

The Pātimokkha — the core 227 rules

ປາຕິໂມກຂ — 227 ຂໍ້ລະບຽບຫຼັກ

• 4
  Pārājika — Defeats (4 rules)ປາລາຊິກ — ຄວາມພ່າຍແພ້The most serious offenses — sexual intercourse, theft of significant value, intentional killing of a human, or falsely claiming spiritual attainment. A monk who commits any of these is automatically no longer a monk and cannot be re-ordained in this lifetime. These rules are absolute.
• 13
  Saṅghādisesa — Offenses requiring rehabilitation (13 rules)ສັງຄາທິເສດ — ຄວາມຜິດທີ່ຕ້ອງການ ການຟື້ນຟູSerious offenses that do not result in expulsion but require formal acknowledgment, a probation period, and rehabilitation overseen by the full monastic community. These include intentional sexual misconduct and deliberately creating divisions in the Sangha.
• 30
  Nissaggiya Pācittiya — Forfeiture and confession (30 rules)ນິດສັກຄິຍ — ການທ່ຽງຖ່ານ ແລະ ການສາລະພາບRules about the improper possession or use of material items — including accepting money, possessing more robes than allowed, or improper handling of donations. Resolution requires forfeiting the item and confessing before fellow monks.
• 92
  Pācittiya — Confession offenses (92 rules)ປາຈິດຕິຍ — ການສາລະພາບA wide range of offenses requiring simple confession — telling lies, speaking harshly, improper behavior with laypeople, and various breaches of monastic etiquette. These are the most numerous category.
• 75
  Sekhiya — Training rules (75 rules)ເສຂິຍ — ກົດລະບຽບການຝຶກRules of conduct, deportment, and etiquette — how to walk, eat, speak, and interact in ways that project dignity, mindfulness, and respect. These shape the distinctive bearing and presence that characterizes a trained Theravāda monk.

Why the Vinaya matters

ເຫດໃດ ວິໄນ ຈຶ່ງສຳຄັນ

The Vinaya serves several interlocking purposes. It protects the monk — creating a structure of accountability, simplicity, and clarity that supports deep practice. It protects the lay community — ensuring that monks do not exploit their spiritual authority. It protects the Dhamma itself — by maintaining the integrity and trustworthiness of the Sangha that preserves and transmits the teaching.

The Buddha’s last instruction before his death addressed this directly: “When I am gone, let the Dhamma and the Vinaya be your teacher.” For Theravāda Buddhism, the Vinaya is not a bureaucratic constraint — it is the living structure within which liberation becomes possible.