• Pranayama should always be done in clean and calm environment
• You should Practice pranayama empty stomach.
• If you are suffering with any chronic disease then you should consult your doctor and any good yoga teacher.
• Pregnant woman or Woman during their period should not practice pranayama
• Your body shouldn't touch floor or wall while practicing pranayama otherwise all energy will move towards Earth.
• You should not eat anything after 30 to 45 minutes of Practice
• You should not take your bath immediately after pranayama
• Children younger than 12 years should not practice pranayama
• You should keep your body straight while practicing Pranayama
• If recently you have passed through an operation then you should not do pranayama.

So, these are some precautions that you should take during pranayama practice.