Red bloodshot can be seen in the eyes. 1. In the early stage of chronic conjunctivitis or acute conjunctivitis, the conjunctiva is slightly congested. You can use anti-inflammatory eye drops such as tobramycin or ofloxacin eye drops. 2. Allergic conjunctivitis, conjunctival congestion, and eye itching. In this case, it is recommended to use non steroidal anti-inflammatory eye drops, such as Prauprofen, diclofenac sodium eye drops, etc. 3. Staying up late for a long time, especially watching mobile phones and computers, will cause red blood streak in your eyes. In this case, you should avoid staying up late and watching mobile phones and computers less. If the red blood streak still persists after a break, you can use tobramycin or levofloxacin eye drops. In short, the red blood in the eyes should be treated according to the cause.