This part inquires the presence of mental health disorders in Chinese immigrants (coolies) who came to Peru between 1849 and 1874 as indentured laborers to supply the lack of manpower after the abolition of slavery. Historical publications about how this population lived were reviewed. The main reports were based on historical records from labor places between 1865 and 1900 and let us outline emotional and conduct disorders related to sustained stress (traumatic draft, long and unhealthy sea voyage, life without family, enslaved work and confinement in slave quarters). It is inferred the presence of asthenic states due to somatic diseases, depression, hypochondriasis or simulation in workers called ‘mañosos’ (tricky). Literature refers homosexual practices in this male population in compulsory confinement and sexually transmitted diseases including syphilis; a great consume of opium...