Eggs are also commonly known as testicles, testicles are very important male reproductive organs, testicles can produce sperms, the testicle’s convoluted tubules are an important place to produce sperms, sperms are transported out of the testicles into the seminal vesicles for storage after they are produced in the testicles, so testicles are an important place to produce sperms, and they are also a very important male reproductive organ. In addition, the testicles can also produce androgens, which are important for the maintenance of male secondary sexual characteristics. The testicles are so important to the human body that they are an indispensable organ for human beings to pass on their offspring. Common diseases of the testicles mainly include testicular inflammation, testicular torsion, testicular swelling and a series of other diseases.