Choose the option that makes you feel the best. You have a few options:   Shave it all off. There are no health risks to shaving all of your hair off as long as you do it hygienically, use a new razor, use an anti-septic after shaving and don't cut yourself.  Use a stencil. You will place a stencil, like a small heart, over your pubic area. Then, you'll shave around the stencil to leave a section of hair with a fun shape over your pubic area. You can find stencil kits at most adult stores or online.  Create a landing strip. Your landing strip, or a line extending up from your labial part toward your belly button, can be either whisper thin (good for thick, unruly hair) or slightly wider (for thin, sparse hair). Your razor may be gel-filled and have more blades than a small child can count, but you still need to be nice to it. Any longer and it won't work as efficiently.  To trim the most efficiently, pull the hair toward you and cut in small sections. It doesn't all have to be even, it just has to be short. If the idea of taking scissors down there...gives you the heebie jeebies, use electric trimmers that don't have rotating heads. The blades can only get so close to your skin. You can also soak in the tub for a little while before standing up in the shower to shave the area. Getting the follicles soft will make the hair easier to shave on the first go-round. If you want to wash the area, clean it before you start shaving to avoid irritating your exposed skin later. If you're away from a shower (and have a desperate, desperate need to shave your bikini area -- maybe you're stranded on a desert island?), take a wet washcloth and leave it on the area for 5 to 10 minutes. The same effect can be garnered from this, too. You're probably going to come across people or places that tell you to lather, shave, and exfoliate -- in that order. But if you wanna be a pubic shaving pro (and who doesn't?!), exfoliate before and after. It'll align your hairs all in the same direction, making your razor's job ten times...

TL;DR in Vietnamese:
Quyết định hình dáng lông mu (lông bên dưới rốn) mà bạn muốn. Tỉa bớt lông còn khoảng 6 mm bằng kéo trước khi tắm. Tắm để lông mềm hơn. Tẩy tế bào chết. Làm ướt khu vực bằng nước ấm và kem cạo râu. Làm ướt dao cạo mới. Cạo theo chiều lông mọc bằng những đường dài, chậm và đều nhau.