A multifunctional infrared induction water sprinkler includes a water inlet pipe (10), an infrared induction control device (20) connected with the water inlet pipe (10), and a water outlet device (30), wherein the water outlet device (30) is connected with the infrared induction control device (20) through a universal joint (301); the infrared induction control device (20) includes an infrared pyroelectric probe, a pre-amplifier, a central processing unit, an electromagnetic valve actuator and an electromagnetic valve which are connected in sequence, and further includes an irrigating/repelling selection controller, a sprinkling duration regulator and a sprinkling interval regulator which are connected with the central processing unit. The multifunctional infrared induction water sprinkler can effectively repel animals to protect gardens, lawns and nursery gardens against damage and can also automatically spray water to irrigate gardens, lawns, nursery gardens and the like, and water resources can be saved.
