A lighting module and a lighting device are disclosed. The lighting module includes a base, a light-transmitting component and a sealing component, the base includes a bottom plate and a base sidewall, the light-transmitting component includes a light-transmitting component includes a light-transmitting component body and a light-transmitting component sidewall; the bottom plate and the light-transmitting component body are disposed opposite to each other to form an accommodation space between the bottom plate and the light-transmitting component body; the base sidewall and the light-transmitting component sidewall are disposed opposite to each other in a direction parallel to the base plate; the sealing component is located between the base sidewall and the light-transmitting component sidewall, and is in close contact with the light-transmitting component sidewall and the base sidewall, respectively, so as to seal the accommodation space.