The rest mass of photon and neutrino was discussed using different view points and methods.The masses of black hole, nucleon, photon, particle of dark matter and Planck particle were estimated.

• 摘要讨论了光子、中微子（或暗物质粒子）的静质量，从不同的观点和方法对黑洞质量、核子质量、光子质量、暗物质粒子质量和普朗克粒子质量作了估算。